When searching for the best thermal pastes, the key factors are cooling efficiency, durability, and ease of application. The Thermal Grizzly Kryonaut stands out as the top overall choice for high-performance cooling, especially in overclocked systems. ARCTIC MX-4 offers exceptional value with a large quantity and reliable performance, making it perfect for budget-conscious builders. Meanwhile, premium options like Noctua NT-H2 deliver consistent results with minimal fuss. The main tradeoffs hinge on price versus performance and whether you prioritize maximum cooling or long-term stability. Continue reading for a detailed breakdown of these top contenders and what makes each unique.

15
compared
3
brands
Which thermal paste should you buy?
★ Top Pick
Thermal Grizzly Duronaut Therm
Best Overall for High-Performance and Longevity
Outstanding thermal conductivity for demanding applications
See on Amazon →
Budget-conscious builders and hobbyists seeking reliable, versatile thermal paste
ARCTIC MX-6 Thermal Paste
Good thermal conductivity for everyday use
View on Amazon →
Users seeking a balance of performance and hassle-free long-term stability
ARCTIC MX-7 Thermal Paste
Excellent heat transfer and stability
View on Amazon →
Overclockers and users in need of the highest thermal transfer for demanding applications
Thermal Grizzly Kryonaut
Exceptional thermal conductivity for demanding tasks
View on Amazon →
Beginners, casual builders, and users looking for a reliable, large-volume thermal paste
ARCTIC MX-4 Thermal Paste
High thermal conductivity suitable for most applications
View on Amazon →
Pros & cons at a glance
Thermal Grizzly Duronaut Therm
✓ Outstanding thermal conductivity for demanding applications
✗ Requires careful, precise application to avoid excess
ARCTIC MX-6 Thermal Paste
✓ Good thermal conductivity for everyday use
✗ Small 4g size may require frequent reapplication
ARCTIC MX-7 Thermal Paste
✓ Excellent heat transfer and stability
✗ Cannot be manually spread, relies on natural distribution
Thermal Grizzly Kryonaut
✓ Exceptional thermal conductivity for demanding tasks
✗ Small 1g amount may require frequent reapplication
ARCTIC MX-4 Thermal Paste
✓ High thermal conductivity suitable for most applications
✗ Limited to 45g size, may require reapplication for multiple upgrades
Thermal Grizzly Kryonaut 1 Gra
✓ Unmatched thermal conductivity for demanding overclocking
✗ Limited to just 1 gram, requiring careful application
ARCTIC MX-4 Thermal Paste
✓ Reliable heat dissipation with high thermal conductivity
✗ Limited to 4 grams, may need reapplication
ARCTIC MX-4 4g Thermal Paste f
✓ Long-lasting performance up to 8 years
✗ Limited to 4 grams, requiring reapplication for multiple devices
Thermal Grizzly Kryonaut Extre
✓ Exceptional thermal conductivity for demanding workloads
✗ Limited to 2 grams, requiring multiple applications for extensive use
ARCTIC MX-6 Thermal Paste
✓ High thermal conductivity for various devices
✗ Limited to 4 grams, may require reapplication
ARCTIC MX-7 Thermal Paste
✓ Exceptional resistance to pump-out and dry-out for long-term stability
✗ Cannot be spread manually, requiring proper application technique
ARCTIC MX-6 Thermal Paste
✓ Excellent thermal conductivity improves cooling efficiency
✗ Requires careful application to avoid excess
Thermal Grizzly Kryonaut Extre
✓ Exceptional thermal conductivity for overclocking
✗ Requires careful application to avoid excess
ARCTIC MX-7 Thermal Paste
✓ Excellent heat transfer performance
✗ Cannot be spread manually, needs natural distribution
Noctua NT-H2 3.5g Thermal Comp
✓ Easy to apply and clean with included wipes
✗ Application quantity varies with CPU size, affecting consistency

Key Takeaways

  • Top-tier thermal pastes like Kryonaut excel in overclocking scenarios with superior heat transfer.
  • Value-oriented options such as ARCTIC MX-4 provide large quantities at a lower cost per application, suitable for multiple builds.
  • Application ease varies, with some pastes requiring more careful spreading or cleaning for optimal results.
  • High-performance pastes often include cleaning wipes or applicator tools to streamline installation.
  • Durability and long-term stability are critical for systems that run 24/7, influencing choice for professional or server use.
2
ARCTIC MX-6 Thermal Paste
Best Value for Versatile and Long-Lasting Cooling
1
Thermal Grizzly Duronaut Therm
Best Overall for High-Performance and Longevity
3
ARCTIC MX-7 Thermal Paste
Best for Long-Term Stability and Ease of Application

Our Top Best Thermal Pastes Picks

Thermal Grizzly Duronaut Thermal Paste, 6gThermal Grizzly Duronaut Thermal Paste, 6gBest Overall for High-Performance and LongevityVolume: 6gApplication: CPU, GPU, PS4, PS5, XboxKey Features: High thermal conductivity, long-term stabilityVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-6 Thermal Paste – 4g – High Performance CPU, GPU, and Console Cooling CompoundARCTIC MX-6 Thermal Paste - 4g - High Performance CPU, GPU, and Console Cooling CompoundBest Value for Versatile and Long-Lasting CoolingBrand: ARCTICModel Number: MX-6 (4 g)Included Components: Thermal PasteVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-7 Thermal Paste (8 g) – High Performance, Long DurabilityARCTIC MX-7 Thermal Paste (8 g) - High Performance, Long DurabilityBest for Long-Term Stability and Ease of ApplicationCooling Method: ThermalCompatible Devices: Desktop, Gaming Console, Graphics Cards, LaptopItem Dimensions: 1″L x 0.6″W x 4.2″HVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut – 1 Gram High-Performance Thermal Paste with Cleaning WipesThermal Grizzly Kryonaut - 1 Gram High-Performance Thermal Paste with Cleaning WipesBest for Overclockers and Demanding SetupsWeight: 1 GramApplication: Thermal paste for CPU/GPU/overclockingIncludes: 12 cleaning wipes (6 wet, 6 dry)VIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-4 Thermal Paste (45 g)ARCTIC MX-4 Thermal Paste (45 g)Best for Beginners and General UseProduct Dimensions: 4.72 x 4.72 x 0.79 inchesItem Weight: 1.59 ouncesManufacturer: ARCTICVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut 1 Gram High-Performance Thermal PasteThermal Grizzly Kryonaut 1 Gram High-Performance Thermal PasteBest Overall for Overclocking and Demanding ApplicationsQuantity: 1 GramApplication: CPU, GPU, PS4, PS5, XboxThermal Conductivity: ExtremeVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-4 Thermal Paste (4g) with Spatula – High Performance CPU/GPU CoolerARCTIC MX-4 Thermal Paste (4g) with Spatula - High Performance CPU/GPU CoolerBest Value for Beginners and Moderate UsersQuantity: 4 gIncludes: SpatulaMaterial: Carbon microparticlesVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-4 4g Thermal Paste for CPUs and GPUsARCTIC MX-4 4g Thermal Paste for CPUs and GPUsBest Long-Term Durability with Reliable CoolingQuantity: 4 gMaterial: Carbon microparticlesElectrical Conductivity: Non-electricalVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut Extreme – 2 Gram High-Performance Thermal Paste for CPU/GPU OverclockingThermal Grizzly Kryonaut Extreme - 2 Gram High-Performance Thermal Paste for CPU/GPU OverclockingBest for Extreme Overclocking and High-Temperature StabilityQuantity: 2 gramsSuitable for: CPU, GPU, PS4, PS5, XboxTemperature stability: up to 80°CVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) – High Performance CPU, GPU, and Laptop Thermal CompoundARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) - High Performance CPU, GPU, and Laptop Thermal CompoundBest Versatile Paste for Laptops, Consoles, and Multiple DevicesWeight: 4 gIncludes: 6 MX CleanersType: Thermal PasteVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-7 Thermal Paste (4 g) with MX-CleanerARCTIC MX-7 Thermal Paste (4 g) with MX-CleanerBest Long-Term Stability and Non-Conductive SafetyWeight: 4 gIncludes: MX-CleanerVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-6 Thermal Paste (8 g) – High Performance CPU, GPU, and Laptop Thermal CompoundARCTIC MX-6 Thermal Paste (8 g) - High Performance CPU, GPU, and Laptop Thermal CompoundBest Versatile High-Conductivity Paste for Multiple DevicesBrand: ARCTICWeight: 8 gramsApplication: CPU, GPU, Laptop, ConsoleVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut Extreme Thermal Paste – 2g with Cleaning WipesThermal Grizzly Kryonaut Extreme Thermal Paste - 2g with Cleaning WipesBest for Overclocking and Demanding ApplicationsSize: 2 gramsIncludes: 12 cleaning wipesApplication: Easy syringe and applicator includedVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-7 Thermal Paste (4 g) – High Performance, Long DurabilityARCTIC MX-7 Thermal Paste (4 g) - High Performance, Long DurabilityBest for Reliable Long-Term UseWeight: 4 gType: Thermal PasteApplication: CPU, GPU, Laptop, ConsoleVIEW LATEST PRICESee Our Full Breakdown
Noctua NT-H2 3.5g Thermal Compound with Cleaning WipesNoctua NT-H2 3.5g Thermal Compound with Cleaning WipesBest for Ease of Use and Long-Term StabilitySize: 3.5gApplication: 3-20 applicationsIncluded: 3 cleaning wipesVIEW LATEST PRICESee Our Full Breakdown
Specs at a glance

More Details on Our Top Picks

  1. Thermal Grizzly Duronaut Thermal Paste, 6g

    Thermal Grizzly Duronaut Thermal Paste, 6g

    Best Overall for High-Performance and Longevity

    View Latest Price

    Thermal Grizzly Duronaut stands out for its exceptional thermal conductivity and stability over long periods, making it ideal for overclocked CPUs and gaming consoles. Unlike the more user-friendly ARCTIC MX-6, Duronaut requires careful application due to its thicker consistency and higher price, but it delivers superior heat transfer for demanding setups. Its engineered aluminum microparticles and zinc oxide nanoparticles ensure thin, effective layers, translating to better cooling performance. The tradeoff is that it demands precision during application, which might be challenging for beginners. If you’re seeking a high-end paste that prioritizes performance over ease of use, Duronaut is the best choice.

    Pros:
    • Outstanding thermal conductivity for demanding applications
    • Stable performance over extended periods
    • Suitable for overclocking and gaming consoles
    Cons:
    • Requires careful, precise application to avoid excess
    • Higher cost compared to standard pastes

    Best for: Enthusiasts and overclockers who need maximum thermal performance and long-term stability

    Not ideal for: Casual users or those new to thermal pastes who prefer an easy, foolproof application process

    • Volume:6g
    • Application:CPU, GPU, PS4, PS5, Xbox
    • Key Features:High thermal conductivity, long-term stability
    Our verdict
    “This pick is perfect for users who prioritize top-tier cooling and are comfortable with meticulous application.”
  2. ARCTIC MX-6 Thermal Paste – 4g – High Performance CPU, GPU, and Console Cooling Compound

    ARCTIC MX-6 Thermal Paste - 4g - High Performance CPU, GPU, and Console Cooling Compound

    Best Value for Versatile and Long-Lasting Cooling

    View Latest Price

    The ARCTIC MX-6 offers a compelling balance of performance and ease of use, with improved thermal conductivity over older models like MX-4. Its non-conductive formula reduces the risk of short circuits, making it safer for beginners and DIY builders. Compared to Duronaut, MX-6 is less demanding in terms of application precision, but it may require reapplication sooner due to its smaller 4g size, especially for multiple upgrades or extensive builds. Its versatility across CPUs, GPUs, and consoles makes it a solid choice for budget-conscious users who still want reliable cooling. For those who prioritize straightforward application and durability, MX-6 hits the sweet spot.

    Pros:
    • Good thermal conductivity for everyday use
    • Non-conductive and safe for all devices
    • Easy to apply across multiple device types
    Cons:
    • Small 4g size may require frequent reapplication
    • Less suited for extreme overclocking

    Best for: Budget-conscious builders and hobbyists seeking reliable, versatile thermal paste

    Not ideal for: Heavy overclockers or users needing the absolute highest thermal performance, who might prefer Duronaut or Kryonaut

    • Brand:ARCTIC
    • Model Number:MX-6 (4 g)
    • Included Components:Thermal Paste
    • Unit Count:1
    • UPC:840033401739
    • Manufacturer:ARCTIC
    Our verdict
    “Ideal for users seeking a safe, cost-effective paste that handles general cooling needs well.”
  3. ARCTIC MX-7 Thermal Paste (8 g) – High Performance, Long Durability

    ARCTIC MX-7 Thermal Paste (8 g) - High Performance, Long Durability

    Best for Long-Term Stability and Ease of Application

    View Latest Price

    The ARCTIC MX-7 extends the performance of MX-6 with better heat transfer and a viscous, easy-to-distribute consistency**. Unlike Duronaut, which excels in overclocked environments, MX-7 prioritizes long-term stability and minimal pump-out, making it suitable for continuous use without reapplication. Its non-conductive nature simplifies installation, though its viscous texture means it cannot be manually spread and instead relies on natural distribution, which may be less precise for some users. Compared to Kryonaut, MX-7 is easier to apply and clean. It’s a strong choice for users who want a durable, maintenance-free solution for consistent cooling.

    Pros:
    • Excellent heat transfer and stability
    • Long-lasting performance without pump-out
    • Easy to clean with MX Cleaner
    Cons:
    • Cannot be manually spread, relies on natural distribution
    • Viscous consistency may challenge precise application

    Best for: Users seeking a balance of performance and hassle-free long-term stability

    Not ideal for: Extreme overclockers or those needing ultra-thin application where manual spreading is preferred

    • Cooling Method:Thermal
    • Compatible Devices:Desktop, Gaming Console, Graphics Cards, Laptop
    • Item Dimensions:1″L x 0.6″W x 4.2″H
    Our verdict
    “Best suited for users wanting a durable, high-performance paste that minimizes reapplication and maintenance.”
  4. Thermal Grizzly Kryonaut – 1 Gram High-Performance Thermal Paste with Cleaning Wipes

    Thermal Grizzly Kryonaut - 1 Gram High-Performance Thermal Paste with Cleaning Wipes

    Best for Overclockers and Demanding Setups

    View Latest Price

    Thermal Grizzly Kryonaut is designed for enthusiasts pushing their hardware to the limit, offering exceptional heat conductivity in a tiny 1-gram quantity. Its high-performance formulation suits overclocking and extreme thermal environments, similar to Duronaut but in a smaller package. The included cleaning wipes facilitate surface prep, making it easier to achieve optimal contact, though the small 1g size means frequent reapplications are likely for extensive use. Compared with MX-7, Kryonaut provides higher thermal performance but demands careful handling to avoid excess application, especially given its small quantity. For dedicated overclockers or power users, Kryonaut’s performance justifies its price and size.

    Pros:
    • Exceptional thermal conductivity for demanding tasks
    • Includes cleaning wipes for easy prep
    • Long-lasting and resistant to drying out
    Cons:
    • Small 1g amount may require frequent reapplication
    • Requires careful, precise handling to avoid excess

    Best for: Overclockers and users in need of the highest thermal transfer for demanding applications

    Not ideal for: Casual users or those preferring larger quantities for routine cooling

    • Weight:1 Gram
    • Application:Thermal paste for CPU/GPU/overclocking
    • Includes:12 cleaning wipes (6 wet, 6 dry)
    Our verdict
    “Perfect for overclockers who need top-tier thermal performance in a compact package and are comfortable with careful application.”
  5. ARCTIC MX-4 Thermal Paste (45 g)

    ARCTIC MX-4 Thermal Paste (45 g)

    Best for Beginners and General Use

    View Latest Price

    ARCTIC MX-4 has long been a staple in the thermal paste market, and its 45g size offers excellent value for ongoing use. Made with carbon microparticles, it provides high thermal conductivity comparable to more premium options like Kryonaut but without the complexity of application or price. Its non-metallic, non-electrical conductive formula makes it extremely safe and easy for newcomers and DIY builders. Compared to smaller, performance-focused pastes like MX-6 or Duronaut, MX-4 is less specialized but still performs reliably across a wide range of devices. Its large size means fewer reapplications over time, making it ideal for system builders or those upgrading multiple components. It’s a well-rounded choice for everyday cooling needs.

    Pros:
    • High thermal conductivity suitable for most applications
    • Non-electrical conductive and safe for all devices
    • Easy to apply, even for beginners
    • High customer ratings and proven reliability
    Cons:
    • Limited to 45g size, may require reapplication for multiple upgrades
    • Less suitable for extreme overclocking compared to premium pastes

    Best for: Beginners, casual builders, and users looking for a reliable, large-volume thermal paste

    Not ideal for: Extreme overclockers or those seeking the absolute highest performance for demanding tasks

    • Product Dimensions:4.72 x 4.72 x 0.79 inches
    • Item Weight:1.59 ounces
    • Manufacturer:ARCTIC
    • Item Model Number:ACTCP00024A
    Our verdict
    “This paste offers consistent performance and value, making it ideal for users new to thermal pastes or those managing multiple upgrades.”
  6. Thermal Grizzly Kryonaut 1 Gram High-Performance Thermal Paste

    Thermal Grizzly Kryonaut 1 Gram High-Performance Thermal Paste

    Best Overall for Overclocking and Demanding Applications

    View Latest Price

    Thermal Grizzly Kryonaut stands out for its exceptional heat transfer capabilities, making it ideal for overclockers and users pushing their CPUs and GPUs to the limit. Compared to the ARCTIC MX-4 options, Kryonaut’s extreme thermal conductivity ensures lower temperatures under heavy loads, though it comes in a modest 1-gram syringe, which may require careful application for larger heatsinks. Its long-lasting performance without drying out adds to its appeal for sustained overclocking sessions. The specialized syringe and spatula make application straightforward, but the limited quantity could be a drawback for frequent or multiple applications.

    Pros:
    • Unmatched thermal conductivity for demanding overclocking
    • Easy application with included syringe and spatula
    • Long-lasting performance without drying
    Cons:
    • Limited to just 1 gram, requiring careful application
    • Higher cost per gram compared to larger-supply pastes

    Best for: Enthusiasts and overclockers who need maximum thermal performance and stable long-term operation.

    Not ideal for: Casual users or those with standard cooling needs, since the small quantity and premium price might not justify regular use.

    • Quantity:1 Gram
    • Application:CPU, GPU, PS4, PS5, Xbox
    • Thermal Conductivity:Extreme
    Our verdict
    “This paste is best suited for advanced users seeking top-tier cooling, despite its higher price and limited quantity.”
  7. ARCTIC MX-4 Thermal Paste (4g) with Spatula – High Performance CPU/GPU Cooler

    ARCTIC MX-4 Thermal Paste (4g) with Spatula - High Performance CPU/GPU Cooler

    Best Value for Beginners and Moderate Users

    View Latest Price

    The ARCTIC MX-4 stands out for its balance of performance, safety, and affordability, making it a go-to choice for newcomers and intermediate builders. Its non-electrical conductive, carbon microparticle formulation provides reliable heat dissipation without the risk of short circuits, unlike some metallic pastes. Compared with the Kryonaut options, MX-4’s ease of application and safety features make it more suitable for those new to thermal pastes. However, its 4-gram size might require reapplication over time if used on multiple devices, which can add up for extensive setups.

    Pros:
    • Reliable heat dissipation with high thermal conductivity
    • Safe, non-electrical conductive formula
    • Easy to apply, suitable for beginners
    Cons:
    • Limited to 4 grams, may need reapplication
    • Not designed for extreme overclocking

    Best for: DIY builders and hobbyists seeking a safe, effective thermal interface with straightforward application.

    Not ideal for: Extreme overclockers or users requiring ultra-high thermal conductivity, as it doesn’t match Kryonaut’s performance under heavy loads.

    • Quantity:4 g
    • Includes:Spatula
    • Material:Carbon microparticles
    • Safety:Non-electrical conductive
    Our verdict
    “This paste offers excellent value and safety for standard cooling needs, especially for less experienced users.”
  8. ARCTIC MX-4 4g Thermal Paste for CPUs and GPUs

    ARCTIC MX-4 4g Thermal Paste for CPUs and GPUs

    Best Long-Term Durability with Reliable Cooling

    View Latest Price

    While similar in name to the previous MX-4, this version emphasizes up to 8 years of durability, making it a solid choice for users prioritizing long-term maintenance. Its carbon microparticles ensure consistent thermal performance, comparable to Kryonaut’s high conductivity but with the advantage of extended lifespan. Compared to Kryonaut Extreme, this version offers a more balanced approach for those who don’t need the extreme thermal transfer but want a durable, safe, and easy-to-apply paste. Its 4-gram size suits multiple applications, but users with heavy overclocking requirements might find it less effective under intense thermal stress.

    Pros:
    • Long-lasting performance up to 8 years
    • High thermal conductivity for effective cooling
    • Non-electrical conductive and easy to apply
    Cons:
    • Limited to 4 grams, requiring reapplication for multiple devices
    • Less suitable for extreme overclocking compared to Kryonaut Extreme

    Best for: Users seeking a durable, high-performance thermal paste for long-term, stable operation across multiple devices.

    Not ideal for: Overclockers or high-performance enthusiasts who need the absolute maximum heat transfer for extreme tuning.

    • Quantity:4 g
    • Material:Carbon microparticles
    • Electrical Conductivity:Non-electrical
    • Durability:Up to 8 years
    Our verdict
    “This paste strikes a good balance between performance and longevity for users who prioritize maintenance-free operation.”
  9. Thermal Grizzly Kryonaut Extreme – 2 Gram High-Performance Thermal Paste for CPU/GPU Overclocking

    Thermal Grizzly Kryonaut Extreme - 2 Gram High-Performance Thermal Paste for CPU/GPU Overclocking

    Best for Extreme Overclocking and High-Temperature Stability

    View Latest Price

    Thermal Grizzly Kryonaut Extreme is tailored for the most demanding overclocking scenarios, offering superior thermal transfer and impressive temperature stability up to 80°C. It’s comparable to the original Kryonaut but optimized for even higher thermal loads, making it ideal for extreme users. The included syringe and applicator facilitate precise application, but at just 2 grams, it’s less suited for multiple or prolonged applications without reordering. Compared to the standard Kryonaut, this version provides more stability at higher temperatures but sacrifices some quantity for specialized performance.

    Pros:
    • Exceptional thermal conductivity for demanding workloads
    • Stable operation up to 80°C
    • Easy application with included syringe
    Cons:
    • Limited to 2 grams, requiring multiple applications for extensive use
    • Higher cost per gram compared to larger supplies

    Best for: Overclockers and advanced users who push their systems to the limit and need maximum stability at high temperatures.

    Not ideal for: Casual or standard users, since the small size and premium price may not be justified for typical use.

    • Quantity:2 grams
    • Suitable for:CPU, GPU, PS4, PS5, Xbox
    • Temperature stability:up to 80°C
    Our verdict
    “This paste is perfect for extreme overclocking, despite its limited quantity and higher price point.”
  10. ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) – High Performance CPU, GPU, and Laptop Thermal Compound

    ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) - High Performance CPU, GPU, and Laptop Thermal Compound

    Best Versatile Paste for Laptops, Consoles, and Multiple Devices

    View Latest Price

    ARCTIC MX-6 is designed for users looking for a versatile, high-performance thermal compound that works across a range of devices, from laptops to gaming consoles. Its improved thermal resistance over previous models offers better heat transfer, comparable to Kryonaut’s performance in a more user-friendly package. The inclusion of 6 MX Cleaners simplifies reapplication and maintenance. Compared with Kryonaut Extreme, MX-6 provides a more general-purpose solution suitable for diverse cooling scenarios, though it may not match the peak performance needed for aggressive overclocking. Its 4-gram size allows multiple reapplications, making it a flexible choice for ongoing maintenance.

    Pros:
    • High thermal conductivity for various devices
    • Includes 6 MX Cleaners for easy reapplication
    • Safe, non-conductive, and versatile
    Cons:
    • Limited to 4 grams, may require reapplication
    • Performance slightly below specialized high-end pastes for overclocking

    Best for: Tech enthusiasts and DIYers managing multiple devices, including laptops and consoles, who need a reliable, easy-to-maintain thermal compound.

    Not ideal for: Extreme overclockers or users requiring ultra-high thermal transfer rates, as MX-6 prioritizes versatility over maximum performance.

    • Weight:4 g
    • Includes:6 MX Cleaners
    • Type:Thermal Paste
    • Application:CPU, GPU, Laptop, Console
    Our verdict
    “This paste offers a dependable, multi-device solution for users seeking easy maintenance and consistent cooling performance.”
  11. ARCTIC MX-7 Thermal Paste (4 g) with MX-Cleaner

    ARCTIC MX-7 Thermal Paste (4 g) with MX-Cleaner

    Best Long-Term Stability and Non-Conductive Safety

    View Latest Price

    The ARCTIC MX-7 stands out for its exceptional ability to maintain consistent thermal performance over time, thanks to its resistance to pump-out and dry-out. Unlike the ARCTIC MX-6, which offers high thermal conductivity but can be tricky to apply manually, MX-7’s dense, viscous consistency ensures it stays in place once properly applied. The inclusion of MX-Cleaner simplifies removal, making reapplication easier without risking damage. However, its design prevents manual spreading, which can be a drawback for users who prefer precise control during application. This paste is ideal for those prioritizing long-term stability and safety across various devices, but it requires proper application technique for best results.

    Pros:
    • Exceptional resistance to pump-out and dry-out for long-term stability
    • Non-conductive and safe for all electronic components
    • Includes MX-Cleaner for easy removal of old paste
    Cons:
    • Cannot be spread manually, requiring proper application technique
    • Performance depends heavily on correct application process

    Best for: Users seeking a stable, long-lasting thermal compound for multiple devices who prefer a non-conductive, safe-to-use paste.

    Not ideal for: Enthusiasts who want manual control over application or are comfortable with more spreadable pastes for fine-tuning cooling performance.

    • Weight:4 g
    • Includes:MX-Cleaner
    Our verdict
    “This paste makes the most sense for users who value stability and safety over manual application precision.”
  12. ARCTIC MX-6 Thermal Paste (8 g) – High Performance CPU, GPU, and Laptop Thermal Compound

    ARCTIC MX-6 Thermal Paste (8 g) - High Performance CPU, GPU, and Laptop Thermal Compound

    Best Versatile High-Conductivity Paste for Multiple Devices

    View Latest Price

    The ARCTIC MX-6 offers impressive thermal conductivity, making it suitable for both CPUs and GPUs, and surpasses the older MX-7 in versatility. Compared with Noctua NT-H2, which emphasizes long-term stability, MX-6 delivers higher immediate thermal transfer, ideal for overclocking or high-performance scenarios. Its non-conductive nature reduces risk during application, and the 8-gram size provides enough material for multiple reapplications. However, careful application is necessary to avoid excess paste, and the limited quantity may require frequent reapplication in high-use systems. For users needing a reliable, high-conductivity thermal interface across various platforms, MX-6 offers excellent value.

    Pros:
    • Excellent thermal conductivity improves cooling efficiency
    • Non-conductive and safe for sensitive electronics
    • Suitable for CPUs, GPUs, and consoles, offering broad compatibility
    • Long-lasting durability
    Cons:
    • Requires careful application to avoid excess
    • Limited to 8 grams, potentially needing frequent reapplication

    Best for: Gamers, overclockers, and PC builders wanting a versatile, high-performance thermal paste for multiple components.

    Not ideal for: Casual users or those who prefer long-term stability over maximum thermal transfer, as it demands careful application and may require reapplication often due to limited volume.

    • Brand:ARCTIC
    • Weight:8 grams
    • Application:CPU, GPU, Laptop, Console
    • Thermal Conductivity:Very high
    • Electrical Conductivity:Non-conductive
    • Durability:Long-lasting
    Our verdict
    “This paste is ideal for users who need high thermal performance across multiple devices and are comfortable with precise application.”
  13. Thermal Grizzly Kryonaut Extreme Thermal Paste – 2g with Cleaning Wipes

    Thermal Grizzly Kryonaut Extreme Thermal Paste - 2g with Cleaning Wipes

    Best for Overclocking and Demanding Applications

    View Latest Price

    Kryonaut Extreme is designed for extreme overclocking scenarios, providing the highest thermal conductivity among the listed options. Its nano-aluminum oxide particles enable it to handle high temperatures, making it suitable for enthusiasts pushing their systems to the limit. Included cleaning wipes facilitate easy surface prep, which is essential for optimal performance. Unlike the ARCTIC MX-7, which emphasizes stability, Kryonaut Extreme prioritizes heat transfer at high temperatures, but this comes with a higher price point and the need for careful, measured application. It’s less suited for casual or infrequent use, but perfect for demanding setups requiring maximum cooling efficiency.

    Pros:
    • Exceptional thermal conductivity for overclocking
    • Includes cleaning wipes for easy surface prep
    • Stable at high temperatures and long-lasting
    • Compatible with CPUs, GPUs, and gaming consoles
    Cons:
    • More expensive than standard pastes
    • Requires careful application to avoid excess

    Best for: Overclockers and power users who need a high-performance thermal interface for intense workloads and demanding gaming setups.

    Not ideal for: Casual builders or users looking for an affordable, low-maintenance paste for everyday use, due to its higher cost and application sensitivity.

    • Size:2 grams
    • Includes:12 cleaning wipes
    • Application:Easy syringe and applicator included
    • Temperature Stability:Up to 80°C
    • Particle Content:Nano-aluminum oxide particles
    • Curing:Non-curing formula
    Our verdict
    “This pick is best suited for enthusiasts who prioritize maximum heat transfer for overclocked systems and demanding workloads.”
  14. ARCTIC MX-7 Thermal Paste (4 g) – High Performance, Long Durability

    ARCTIC MX-7 Thermal Paste (4 g) - High Performance, Long Durability

    Best for Reliable Long-Term Use

    View Latest Price

    This ARCTIC MX-7 offers a dense, viscous consistency that excels at providing consistent heat transfer over extended periods. Compared to the Noctua NT-H2, which emphasizes ease of application, MX-7’s design focuses on stability, preventing dry-out and pump-out that can cause performance dips over time. Its non-conductive nature ensures safety across a variety of devices, but its inability to be manually spread could be a drawback for users who prefer more control during application. It’s an excellent choice for those who want a durable, maintenance-free paste for long-term use without frequent reapplication, especially in systems where stability matters most.

    Pros:
    • Excellent heat transfer performance
    • Long-lasting stability without frequent reapplication
    • Safe for all electronic devices
    Cons:
    • Cannot be spread manually, needs natural distribution
    • Less suitable for users who want manual control over application

    Best for: Long-term PC builders and system integrators requiring a stable, durable thermal interface for multiple devices.

    Not ideal for: Users who prefer manual application control or need a paste with maximum immediate thermal transfer for overclocking.

    • Weight:4 g
    • Type:Thermal Paste
    • Application:CPU, GPU, Laptop, Console
    • Electrical Conductivity:Non-conductive
    Our verdict
    “This product is best for those prioritizing long-term stability and safety over manual application flexibility.”
  15. Noctua NT-H2 3.5g Thermal Compound with Cleaning Wipes

    Noctua NT-H2 3.5g Thermal Compound with Cleaning Wipes

    Best for Ease of Use and Long-Term Stability

    View Latest Price

    The Noctua NT-H2 excels in providing a user-friendly experience, with easy application and cleanup via included wipes. Its thermal transfer performance is highly reliable across a wide range of CPUs and GPUs, making it suitable for both air and liquid cooling systems. Unlike the ARCTIC MX-6, which emphasizes high thermal conductivity, NT-H2 offers a balanced approach with excellent stability and long-term performance, lasting up to 3 years in storage and up to 5 years on the CPU. Its application quantity varies depending on CPU size, which could be a concern for precise volume control, but overall it’s a dependable choice for users seeking simplicity and longevity.

    Pros:
    • Easy to apply and clean with included wipes
    • Provides excellent heat transfer for CPUs and GPUs
    • Long-term stability up to 3 years in storage and 5 years on CPU
    Cons:
    • Application quantity varies with CPU size, affecting consistency
    • No specific price info, which may influence value perception

    Best for: DIY builders and system integrators wanting an easy-to-apply, stable thermal paste for long-term use and minimal maintenance.

    Not ideal for: Overclockers or performance enthusiasts who need maximum thermal transfer and are comfortable with more precise application techniques.

    • Size:3.5g
    • Application:3-20 applications
    • Included:3 cleaning wipes
    • Compatibility:Air and liquid coolers, AMD Ryzen, Intel Core
    Our verdict
    “This is an excellent choice for users prioritizing ease and long-term stability over peak thermal transfer performance.”
best thermal pastes
What makes a great thermal paste
1
Thermal Conductivity and Performance
The primary function of thermal paste is to facilitate heat transfer between your CPU or GPU and the heatsink.
2
Ease of Application and Cleanup
Some thermal pastes are thinner and easier to spread evenly, reducing installation frustration.
3
Durability and Long-Term Stability
The longevity of a thermal paste influences how often you need to reapply, which impacts maintenance time and system reliability.
How to choose your thermal paste
1
How we picked
The products in this roundup were evaluated based on several key factors: thermal conductivity, ease of application, lon
2
Thermal Conductivity and Performance
The primary function of thermal paste is to facilitate heat transfer between your CPU or GPU and the heatsink.
3
Ease of Application and Cleanup
Some thermal pastes are thinner and easier to spread evenly, reducing installation frustration.
4
Durability and Long-Term Stability
The longevity of a thermal paste influences how often you need to reapply, which impacts maintenance time and system rel
Vetted thermal pastes ·
The best thermal pastes, compared
★ Winner Thermal Grizzly Duronaut Therm
Best Overall for High-Performance and Longevity
15compared

How We Picked

The products in this roundup were evaluated based on several key factors: thermal conductivity, ease of application, longevity, package size, and value. High thermal conductivity ensures maximum heat transfer, which is vital for overclocked or high-performance systems. Ease of application considers how straightforward it is to apply the paste neatly without causing mess or air gaps. Durability is assessed by how well the paste maintains performance over time, reducing the need for frequent reapplication. Value factors in the cost per gram and overall package size, balancing budget with performance needs. Products are then ranked to offer a clear hierarchy from best overall to niche-specific picks, ensuring options suit different user priorities.
Which thermal paste fits you?
The everyday user
All-round, reliable
The enthusiast
Premium & high-performance
The gift-giver
Looks & craftsmanship

Factors to Consider When Choosing Best Thermal Pastes

Choosing the right thermal paste involves balancing several factors beyond simple performance stats. Consider your cooling needs, budget, and how often you want to reapply the paste. Some pastes excel in extreme overclocking, while others prioritize ease of use and longevity. Understanding these aspects can help you avoid costly mistakes and ensure your system stays cool and reliable over time.

Thermal Conductivity and Performance

The primary function of thermal paste is to facilitate heat transfer between your CPU or GPU and the heatsink. Higher thermal conductivity ratings typically mean better performance, especially under heavy loads. However, the actual performance gain depends on proper application and system design. Prioritize high-quality pastes if you plan to overclock or run intensive workloads, but remember that even the best paste won’t compensate for poor application or inadequate cooling hardware.

Ease of Application and Cleanup

Some thermal pastes are thinner and easier to spread evenly, reducing installation frustration. Others may require specific tools or techniques, such as a spatula or careful application to avoid air pockets. Additionally, consider how easily the paste can be cleaned off if you need to reapply or upgrade. Pastes with included cleaning wipes or applicator kits can make maintenance less messy and more precise, especially for beginners or frequent system builders.

Durability and Long-Term Stability

The longevity of a thermal paste influences how often you need to reapply, which impacts maintenance time and system reliability. High-performance compounds designed for overclocking often last longer and resist drying out or pumping away from the interface. Cheaper or lower-quality pastes may degrade quickly, leading to increased temperatures over time. Choose a product aligned with your system’s operational profile, balancing cost against the need for ongoing thermal stability.

Package Size and Value

Thermal pastes come in various sizes, from small 1-gram samples to large 45-gram tubes. Larger packages tend to offer better value per gram but may be unnecessary for casual users. If you build multiple systems or plan to reapply paste periodically, investing in a bigger tube makes sense. Conversely, hobbyists or occasional builders might prefer smaller, more affordable options to reduce waste and cost.

Price vs. Performance Tradeoff

Premium pastes often provide marginal performance improvements over mid-range options but come at a higher price. For most users, especially those with standard cooling needs, mid-tier pastes like ARCTIC MX-4 strike a good balance. Overclockers and enthusiasts may justify paying more for high-end pastes like Kryonaut, which can provide better thermal margins under extreme conditions. Be mindful of your specific needs to avoid overspending on negligible gains.

Frequently Asked Questions

Is it worth paying extra for high-end thermal pastes?

Paying more for high-end thermal pastes makes sense primarily if you push your system with overclocking or require maximum cooling efficiency. These pastes often have superior thermal conductivity and longer-lasting performance, helping prevent thermal throttling. For casual or standard use, mid-range options like ARCTIC MX-4 deliver sufficient performance at a much lower cost, making them the smarter choice for most users.

How often should I reapply thermal paste?

The frequency of reapplication depends on the paste quality and system usage. Typically, high-quality pastes can last several years without significant performance loss, especially if the system runs at stock settings. Cheaper pastes or systems with high temperatures may require reapplication every 1-2 years. Regular monitoring of CPU or GPU temperatures can help determine if reapplication is needed sooner.

Can I reuse old thermal paste?

Reusing old thermal paste is generally discouraged because it can dry out, become less effective, or trap air bubbles. Proper cleaning and reapplication with fresh paste usually yield better thermal performance. If the paste has been on the system for a long time or shows signs of degradation, it’s best to remove it thoroughly and apply a new layer for optimal cooling.

Are some thermal pastes better for laptops than desktops?

Yes, certain thermal pastes are formulated to work well in confined spaces typical of laptops, where application is more challenging. Pastes with good thermal conductivity and low viscosity are better suited to tight, uneven surfaces. Additionally, some include cleaning features or are designed for quick application, which simplifies maintenance in portable devices. Always consider the system’s specific cooling requirements when choosing a paste for laptops.

Is there a significant difference between small and large thermal paste tubes?

Smaller tubes are convenient for occasional users or those testing different pastes, but the cost per gram tends to be higher. Larger tubes provide better value for frequent applications or multiple systems, reducing the overall cost. The choice depends on your build frequency, budget, and whether you prefer to have extra paste on hand for future upgrades or maintenance.

Conclusion

For most users, ARCTIC MX-4 offers the best balance of performance, value, and ease of use, making it ideal for everyday builds and maintenance. Thermal Grizzly Kryonaut stands out for enthusiasts and overclockers who need maximum thermal transfer, albeit at a higher price. Noctua NT-H2 provides a reliable, low-fuss option for beginners or those seeking consistent results without hassle. Finally, users with specific overclocking or high-performance needs should consider premium pastes like Kryonaut Extreme for the best cooling margins. Your choice ultimately depends on your system’s demands and your budget.

You May Also Like

15 Best Paper Cutters for Thick Stacks in 2026

Searching for the best paper cutters for thick stacks in 2026? Discover top models with durability, safety features, and versatile capabilities that meet your needs.

15 Best Paper Scoring Machines for 2026

If you’re searching for the 15 best paper scoring machines for 2026,…

15 Best Commercial Guillotine Paper Cutters for 2026

A comprehensive guide to the 15 best commercial guillotine paper cutters for 2026 reveals top models and features, but which one will suit your needs?

15 Best Curtains in 2026

Discover the best curtains for every need in 2026. From blackout to sheer, find top picks for style, privacy, and energy efficiency tailored for your space.