Finding the best thermal paste can significantly impact your CPU or GPU cooling performance, especially for overclocking or high-load tasks. The Thermal Grizzly Kryonaut Extreme stands out as the top overall pick thanks to its exceptional thermal conductivity, but it comes at a higher price. For those seeking a budget-friendly yet reliable option, the ARCTIC MX-4 offers excellent value with solid performance and ease of application. The main tradeoffs revolve around balancing thermal efficiency, longevity, ease of use, and cost. Continue reading for a detailed breakdown of these top contenders and how to choose the perfect thermal paste for your needs.
Key Takeaways
- High-performance options like Kryonaut Extreme deliver the best cooling but are more expensive and less user-friendly for beginners.
- ARCTIC MX-4 remains the most popular choice for its balance of affordability, ease of application, and reliable thermal performance.
- Larger quantities often mean better value, but small tubes are more convenient for occasional users or specific projects.
- Premium pastes tend to last longer and maintain better thermal conductivity over time, ideal for overclockers and enthusiasts.
- Compatibility and ease of application are critical; some pastes require spatulas or cleaning wipes, impacting overall user experience.
| Thermal Grizzly Kryonaut Extreme Thermal Paste – 2g with Cleaning Wipes |  | Best Overall for Extreme Overclocking | Volume: 2 grams | Application: Includes syringe and applicator | Cleaning Wipes: 6 wet and 6 dry wipes | VIEW LATEST PRICE | See Our Full Breakdown |
| Thermal Grizzly Kryonaut 1 Gram Thermal Paste with Cleaning Wipes |  | Best for Precise, Small-Scale Applications | Thermal Conductivity: Extreme | Package Size: 1 Gram | Includes: 12 Cleaning Wipes (6 Wet, 6 Dry) | VIEW LATEST PRICE | See Our Full Breakdown |
| Noctua NT-H2 3.5g Thermal Compound with Cleaning Wipes |  | Best for Long-Term Stability and Ease of Use | Weight: 3.5g | Application: 3-20 applications depending on CPU size | Included: 3 cleaning wipes | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-7 Thermal Paste (4 g) with MX-Cleaner |  | Best for Versatile, Safe Application | Weight: 4 g | Includes: MX-Cleaner | Features: High thermal conductivity, long durability, non-conductive | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-4 Thermal Paste (45 g) for CPU and GPU |  | Best for Budget-Conscious, High-Volume Use | Weight: 45 g | Material: Carbon microparticles | Application: CPU, GPU | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) – High Performance CPU, GPU, and Laptop Thermal Compound |  | Best Overall for Versatility and Safety | Weight: 4 g | Includes: 6 MX Cleaner | Type: Thermal Paste | VIEW LATEST PRICE | See Our Full Breakdown |
| Corsair TM30 Performance Thermal Paste, 3 Grams, Silver for CPU/GPU |  | Best for Precise Application and Long-Lasting Stability | Type: Thermal Paste | Material: Zinc Oxide | Volume: 3 grams | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-4 Thermal Paste (4 g) for CPU and GPU |  | Best for Long-Term Reliability and Ease of Use | Package Size: 4 g | Application: CPU, GPU, PS4, Xbox | Thermal Conductivity: Very high | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-4 Thermal Paste (4g) with Spatula – High Performance CPU and GPU Thermal Compound |  | Best for Beginners and Precise Application | Quantity: 4 g | Application: CPU, GPU | Features: High thermal conductivity, Non-electrical conductive | VIEW LATEST PRICE | See Our Full Breakdown |
| Thermal Grizzly Kryonaut 1 Gram High-Performance Thermal Paste |  | Best for Overclocking and Demanding Applications | Quantity: 1 Gram | Thermal Conductivity: Extreme | Application: High-performance CPU and GPU | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-6 Thermal Paste (8 g) |  | Best Overall for Versatile, Long-Lasting Performance | Weight: 8 g | Thermal Conductivity: Very high | Application: CPU, GPU, consoles, laptops | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-6 Thermal Paste (4 g) for CPU, Graphics Cards, and Consoles |  | Best for Compact, Multi-Use Applications | Volume: 4 g | Thermal Conductivity: Very high | Application: CPU, graphics cards, laptops, consoles | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-7 Thermal Paste (4 g) |  | Best for Long-Term Stability with Dense Consistency | Volume: 4 g | Thermal Conductivity: Very high | Application: Non-spread, self-distributing | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-4 20 g Thermal Paste for CPU and GPU |  | Best for Beginners and High-Volume Use | Quantity: 20 g | Thermal Conductivity: High | Material: Carbon microparticles | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-7 Thermal Paste (8 g) |  | Best for High Performance and Long-Term Stability | Performance: High thermal conductivity | Consistency: Dense, viscous | Application: Automatic spreading | VIEW LATEST PRICE | See Our Full Breakdown |
| thermal paste | Application |
|---|---|
| Thermal Grizzly Kryonaut Extre | Includes syringe and applicator |
| Thermal Grizzly Kryonaut 1 Gra | — |
| Noctua NT-H2 3.5g Thermal Comp | 3-20 applications depending on CPU size |
| ARCTIC MX-7 Thermal Paste | — |
| ARCTIC MX-4 Thermal Paste | CPU, GPU |
| ARCTIC MX-6 Thermal Paste | CPU, GPU, Laptop, Console |
| Corsair TM30 Performance Therm | CPU and GPU |
| ARCTIC MX-4 Thermal Paste | CPU, GPU, PS4, Xbox |
| ARCTIC MX-4 Thermal Paste | CPU, GPU |
| Thermal Grizzly Kryonaut 1 Gra | High-performance CPU and GPU |
| ARCTIC MX-6 Thermal Paste | CPU, GPU, consoles, laptops |
| ARCTIC MX-6 Thermal Paste | CPU, graphics cards, laptops, consoles |
| ARCTIC MX-7 Thermal Paste | Non-spread, self-distributing |
| ARCTIC MX-4 20 g Thermal Paste | CPU, GPU |
| ARCTIC MX-7 Thermal Paste | Automatic spreading |
More Details on Our Top Picks
Thermal Grizzly Kryonaut Extreme Thermal Paste – 2g with Cleaning Wipes
This version of Kryonaut stands out for its exceptional thermal conductivity, making it ideal for overclockers and high-performance setups. Compared to the standard Kryonaut, the Extreme variant offers better stability under demanding thermal loads, though it comes at a higher cost and requires precise application to avoid excess. Its included cleaning wipes simplify surface prep, a feature not always present in premium pastes. While its 2g size might seem small, the performance justifies the price for users pushing their hardware to the limit. This pick makes the most sense for enthusiasts seeking maximum heat dissipation and stability in overclocking scenarios.
Pros:- Exceptional thermal conductivity for high-performance cooling
- Includes cleaning wipes for easy surface prep
- Long-lasting stability under demanding loads
Cons:- Requires careful application to avoid excess
- Price may be high for small quantity
Best for: Overclockers and users with demanding cooling needs who require top-tier heat transfer.
Not ideal for: Casual users or those on tight budgets, as its price and small quantity may not justify its performance for everyday use.
- Volume:2 grams
- Application:Includes syringe and applicator
- Cleaning Wipes:6 wet and 6 dry wipes
- Compatibility:CPU, GPU, PS4, PS5, Xbox
- Curing:Non-curing formula
- Temperature Stability:Up to 80°C
Our verdict“Best suited for extreme overclockers and enthusiasts who prioritize maximum thermal performance.”
Thermal Grizzly Kryonaut 1 Gram Thermal Paste with Cleaning Wipes
This 1-gram version of Kryonaut offers outstanding heat transfer, making it perfect for users who need a high-performance paste in a compact form. Compared with the Extreme version, it’s more suited for single or limited applications, thanks to its smaller size, but still delivers excellent conductivity for overclocking and demanding tasks. The included cleaning wipes facilitate surface prep, a helpful feature for quick, clean installations. While its performance rivals larger pastes like the ARCTIC MX-4, the limited quantity means frequent reapplication for multiple builds or repairs. This choice makes the most sense for tech enthusiasts who want top-tier thermal paste without excess waste.
Pros:- Outstanding heat conductivity for demanding tasks
- Easy to apply with included syringe and spatula
- Long-lasting performance without drying out
Cons:- Limited amount may require frequent re-application
- More expensive per gram compared to larger sizes
Best for: Advanced PC builders and overclockers needing precise, high-performance paste in small quantities.
Not ideal for: Casual users or those assembling multiple systems, due to its limited volume requiring more frequent reapplications.
- Thermal Conductivity:Extreme
- Package Size:1 Gram
- Includes:12 Cleaning Wipes (6 Wet, 6 Dry)
Our verdict“Ideal for experienced users who value performance over volume and are comfortable reapplying as needed.”
Noctua NT-H2 3.5g Thermal Compound with Cleaning Wipes
Noctua’s NT-H2 offers a balance of high performance and user-friendly features, making it a top choice for those seeking a reliable thermal paste for long-term application. Unlike Kryonaut, which is more aggressive in overclocking scenarios, NT-H2 focuses on stability and ease of application, with no need to spread before mounting. Its included cleaning wipes simplify surface prep, a feature less common among high-end pastes. While its 3.5g size provides enough for multiple applications, it’s less suitable for extreme overclocking compared to Kryonaut Extreme. This pick is perfect for desktop users and system builders prioritizing longevity and simplicity.
Pros:- Easy to apply without spreading before installation
- Includes cleaning wipes for convenience
- Provides stable performance up to 5 years
Cons:- Limited amount for multiple applications
- Not designed specifically for extreme overclocking
Best for: Home builders and PC enthusiasts who want a stable, long-lasting thermal paste for regular use.
Not ideal for: Overclockers or extreme gaming setups that demand maximum thermal performance in short bursts.
- Weight:3.5g
- Application:3-20 applications depending on CPU size
- Included:3 cleaning wipes
Our verdict“Best suited for users who value longevity and simplicity over aggressive thermal performance.”
ARCTIC MX-7 Thermal Paste (4 g) with MX-Cleaner
ARCTIC’s MX-7 combines high thermal conductivity with a non-conductive, safe formula, making it suitable for a range of devices from CPUs to gaming consoles. Compared to Kryonaut variants, MX-7 offers a more balanced approach—less focused on overclocking but excellent for general use and long-term stability. Its included MX-Cleaner enables proper surface prep, which is essential for achieving optimal results. The paste cannot be spread manually, which might be a downside for those who prefer manual control, but its high durability compensates for this. This option is ideal for users who want a reliable, long-lasting compound that’s safe and easy to use.
Pros:- High thermal conductivity for efficient heat transfer
- Long-lasting stability with resistance to pump-out and dry-out
- Safe for all electronic devices due to non-conductive formula
- Includes cleaner for surface prep
Cons:- Cannot be spread manually, requiring proper application technique
- Performance depends on contact quality
Best for: General PC builders and console repair enthusiasts seeking a safe, effective thermal interface.
Not ideal for: Overclockers or high-end enthusiasts who need maximum thermal transfer and manual spreading control.
- Weight:4 g
- Includes:MX-Cleaner
- Features:High thermal conductivity, long durability, non-conductive
Our verdict“Ideal for those who want a dependable, safe, and easy-to-apply thermal paste for everyday or long-term use.”
ARCTIC MX-4 Thermal Paste (45 g) for CPU and GPU
The ARCTIC MX-4 stands out due to its large 45g size, making it an excellent choice for users who need to apply thermal paste across multiple builds or ongoing maintenance. Its carbon microparticle composition provides high thermal conductivity comparable to more premium options like Kryonaut, but at a significantly lower cost per gram. Unlike the smaller, more specialized pastes, MX-4’s consistency and safe, non-conductive nature make it accessible for beginners and reliable for seasoned builders. While it doesn’t target extreme overclocking, its performance is sufficient for everyday high-performance applications. This paste makes the most sense for DIYers, system integrators, or those maintaining multiple machines.
Pros:- High thermal conductivity for efficient heat dissipation
- Non-electrical conductive and safe to apply
- Easy to spread with ideal consistency
- Large 45g size for multiple uses
Cons:- Lacks the ultra-high performance of premium pastes
- Performance depends on proper application
Best for: Users seeking a cost-effective, high-volume thermal paste for multiple systems or long-term projects.
Not ideal for: Extreme overclockers who require the absolute maximum thermal transfer, as it balances performance with affordability.
- Weight:45 g
- Material:Carbon microparticles
- Application:CPU, GPU
- Safety:Non-conductive
Our verdict“Best suited for budget-conscious users needing a reliable, long-lasting paste for multiple systems or routine maintenance.”
ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) – High Performance CPU, GPU, and Laptop Thermal Compound
This version of the ARCTIC MX-6 stands out for its high thermal conductivity, making it an excellent choice for users seeking reliable cooling across CPUs, GPUs, and laptops. Compared with the MX-4, it offers slightly improved performance with lower resistance, but the smaller 4 g package means you’ll need to reapply more often. Its non-conductive nature adds a safety layer, especially for less experienced users who worry about short circuits. While effective, proper application is essential to maximize cooling benefits, and the included MX Cleaner simplifies prep work. This pick makes the most sense for those who prioritize safety, versatility, and ease of use without needing large quantities.
Pros:- High thermal conductivity enhances cooling performance
- Non-conductive and safe for electronics
- Versatile application across CPUs, GPUs, and laptops
Cons:- Limited amount per package, requiring more frequent reapplication
- Proper application necessary to achieve optimal results
Best for: Users who need a safe, versatile thermal paste for various devices without frequent reapplication
Not ideal for: Enthusiasts requiring large amounts for multiple builds, since the 4 g size limits reapplications
- Weight:4 g
- Includes:6 MX Cleaner
- Type:Thermal Paste
- Application:CPU, GPU, Laptop, Console
Our verdict“This thermal paste is ideal for users prioritizing safety and versatility in a compact package.”
Corsair TM30 Performance Thermal Paste, 3 Grams, Silver for CPU/GPU
The Corsair TM30 makes a strong case for those who want a reliable, long-lasting thermal interface. Its zinc oxide base provides ultra-low thermal impedance, outperforming many non-metallic options like the MX-4 or MX-6 in heat transfer. The included stencil and spreader facilitate precise application, reducing mess and excess, which is a common pitfall with pastes like the MX-4. However, at only 3 grams, reapplication might be needed for multiple builds or extensive overclocking, unlike the larger MX-4 containers. This paste is better suited to users who value consistent performance over larger quantities and are comfortable with careful application.
Pros:- Easy application with included stencil and spreader
- Excellent thermal conductivity for high-performance cooling
- Long service life without cracking or drying
Cons:- Limited quantity may necessitate reapplication for multiple builds
- Careful application needed to avoid excess
Best for: Overclockers and enthusiasts seeking a stable, long-lasting thermal interface for demanding setups
Not ideal for: Casual users or those on a tight budget, since the small size may require multiple purchases
- Type:Thermal Paste
- Material:Zinc Oxide
- Volume:3 grams
- Color:Silver
- Application:CPU and GPU
- Features:Non-conductive, long-lasting
Our verdict“This product suits high-performance users who value precision and longevity over bulk quantities.”
ARCTIC MX-4 Thermal Paste (4 g) for CPU and GPU
The ARCTIC MX-4 continues its reputation for reliable, long-lasting performance, making it a popular choice for users who prioritize durability. Its high thermal conductivity ensures effective heat dissipation, comparable to the MX-6 but with the advantage of an extended lifespan of up to 8 years, unlike the MX-6’s shorter reapplication cycle. Easy to apply even for beginners, the non-conductive nature minimizes risk during installation. However, the small 4 g size means frequent reapplication if used across multiple devices or in overclocked systems. This makes it ideal for those who want dependable performance without complex application procedures.
Pros:- High thermal conductivity ensures efficient cooling
- Long-lasting performance of up to 8 years
- Non-conductive and safe for electronics
Cons:- Small package size limits reusability for multiple builds
- Reapplication needed for extensive or multiple uses
Best for: Home users or professionals seeking a durable, safe thermal paste for multiple applications
Not ideal for: Enthusiasts needing large quantities for frequent reapplications or extensive overclocking
- Package Size:4 g
- Application:CPU, GPU, PS4, Xbox
- Thermal Conductivity:Very high
- Durability:At least 8 years
- Safety:Non-conductive, non-capacitive
Our verdict“This paste is perfect for users who want a reliable, long-term solution with straightforward application.”
ARCTIC MX-4 Thermal Paste (4g) with Spatula – High Performance CPU and GPU Thermal Compound
The ARCTIC MX-4 with spatula offers a user-friendly experience, especially for newcomers. Its high thermal conductivity guarantees effective heat transfer, comparable to other MX-4 variants, but the inclusion of a spatula makes precise application easier. This is particularly valuable for those new to thermal pastes who might struggle with spreading evenly. Despite the small 4 g size, its safety features—non-electrical conductive and non-capacitive—make it a low-risk choice. The main tradeoff remains the limited quantity, requiring reapplication for multiple builds or extended use, so it’s best suited for single or infrequent projects.
Pros:- High thermal conductivity for efficient cooling
- Includes spatula for easy, precise application
- Safe and non-electrical conductive
Cons:- Small 4 g size may require reapplication
- Limited quantity for extensive or multiple uses
Best for: Beginners or DIY builders seeking an easy, safe, and precise application process
Not ideal for: Power users or overclockers needing large quantities for frequent reapplications
- Quantity:4 g
- Application:CPU, GPU
- Features:High thermal conductivity, Non-electrical conductive
Our verdict“This thermal paste is ideal for beginners and those who value ease of application and safety in a compact package.”
Thermal Grizzly Kryonaut 1 Gram High-Performance Thermal Paste
Thermal Grizzly Kryonaut’s 1-gram syringe makes it clear this is a choice for serious overclockers and professionals. Its extreme heat conductivity outperforms most competitors, including the MX-4 and MX-6, making it suitable for pushing hardware to its limits. The small size means reapplication is necessary for multiple setups, but for a single overclocked system, this provides unmatched thermal performance. Its ease of application with a syringe and spatula simplifies precise spreading, which is vital for high-stakes overclocking. However, the limited quantity makes it less ideal for regular use or multiple builds. This product is best for those who need top-tier thermal performance and are okay with small batches.
Pros:- Exceptional thermal conductivity for demanding tasks
- Easy to apply with syringe and spatula
- Does not dry out at high temperatures
Cons:- Limited to 1 gram, requiring frequent reapplication
- Price premium for small size
Best for: Overclockers and high-performance users who demand the best thermal transfer in a small quantity
Not ideal for: Casual users or those requiring bulk quantities for multiple systems
- Quantity:1 Gram
- Thermal Conductivity:Extreme
- Application:High-performance CPU and GPU
- Temperature Resistance:Does not dry out even at 80°C
Our verdict“This paste is perfect for overclockers who prioritize maximum heat transfer over quantity.”
ARCTIC MX-6 Thermal Paste (8 g)
The ARCTIC MX-6 stands out as the best overall choice thanks to its very high thermal conductivity and broad compatibility with CPUs, GPUs, consoles, and laptops. Compared with the smaller 4 g version, it offers more volume for extensive applications, but the 8 g size may still require reapplication over time. Its non-conductive nature ensures safety, while long-lasting durability makes it ideal for those seeking a reliable, maintenance-free solution. The main tradeoff is the limited size—users with multiple devices might need additional supplies. This pick makes sense for users who want a versatile, high-performance paste that can handle diverse cooling needs without frequent reapplication.
Pros:- Exceptional thermal performance across multiple device types
- Non-conductive and safe to use, minimizing risk of shorts
- Long-lasting durability reduces reapplication frequency
Cons:- Limited to 8 g, which might require reapplication over time
- Higher upfront cost compared to smaller or basic options
Best for: Enthusiasts and professionals who need a versatile, durable thermal paste for various devices and long-term stability
Not ideal for: Casual users or those with minimal cooling needs, as the 8 g size may be more than necessary and slightly less economical for small-scale use
- Weight:8 g
- Thermal Conductivity:Very high
- Application:CPU, GPU, consoles, laptops
- Electrical Conductivity:Non-conductive
- Durability:Long-lasting
- Ease of Application:Easy
Our verdict“This thermal paste is best suited for users seeking a reliable, all-around performer that can handle demanding cooling setups over time.”
ARCTIC MX-6 Thermal Paste (4 g) for CPU, Graphics Cards, and Consoles
The ARCTIC MX-6 4 g version is tailored for users who need a high-performance thermal compound in a smaller size, making it ideal for individual applications on CPUs, graphics cards, or laptops. Compared with the 8 g version, it’s more suited for limited use cases or users with fewer devices, but its smaller volume means more frequent reapplication. It offers very high thermal conductivity and safety due to its non-conductive nature, ensuring versatile and secure use. The main drawback is the limited quantity—less suitable for extensive multiple-device setups. This makes sense for hobbyists or technicians who want a reliable thermal interface for one or two projects without excess leftover.
Pros:- High thermal conductivity for efficient heat transfer
- Non-conductive and safe for electronics
- Versatile for various device types
Cons:- Limited to 4 grams, requiring reapplication for multiple devices
- Less economical for large-scale or repeated use
Best for: DIY PC builders, repair technicians, or hobbyists working on a few devices who prefer a smaller, high-performance paste
Not ideal for: Users managing multiple systems or extensive setups, as the 4 g size may require frequent reapplications
- Volume:4 g
- Thermal Conductivity:Very high
- Application:CPU, graphics cards, laptops, consoles
- Electrical Conductivity:Non-conductive
- Durability:Long-lasting
- Ease of Application:Easy
Our verdict“This thermal paste is perfect for small-scale projects where high performance and safety are priorities, but less suited for ongoing, multi-device cooling.”
ARCTIC MX-7 Thermal Paste (4 g)
The ARCTIC MX-7 4 g offers high thermal conductivity combined with a dense, viscous consistency that ensures efficient heat transfer without pump-out or drying over time. Unlike the MX-6, which spreads easily, MX-7’s self-distributing nature means it works best when applied correctly, forming a reliable bond line. Compared to the MX-6, it provides longer-term stability, especially in demanding environments, but requires the use of MX Cleaner for removal. For users who prioritize long-term stability and minimal maintenance, this paste is a strong candidate. However, its inability to be spread manually may pose a challenge for beginners unfamiliar with proper application techniques.
Pros:- Exceptional heat transfer performance
- Long-lasting, pump-out and dry-out resistant
- Self-distributing, reducing application errors
Cons:- Cannot be spread manually, requiring proper application technique
- Needs MX Cleaner for removal, adding extra step
Best for: Advanced enthusiasts or technicians who want a durable, stable paste for long-term use in demanding systems
Not ideal for: Beginners or casual users who prefer manual spreading or want a quick, straightforward application process
- Volume:4 g
- Thermal Conductivity:Very high
- Application:Non-spread, self-distributing
- Electrical Conductivity:Non-conductive
- Durability:Long-term stability
- Ease of Application:Requires proper technique
Our verdict“Ideal for experienced users seeking a stable, long-term thermal interface that resists drying and pump-out, but not recommended for novices unfamiliar with application nuances.”
ARCTIC MX-4 20 g Thermal Paste for CPU and GPU
The ARCTIC MX-4 20 g stands out as an excellent choice for newcomers and those needing a large supply, thanks to its high thermal conductivity and ease of application. Unlike the smaller, more specialized pastes, MX-4’s generous 20 g size makes it suitable for multiple reapplications, upgrades, or extensive builds. Its carbon microparticles ensure efficient heat transfer, while non-conductive safety minimizes risk for beginners. However, its bulk size can be overkill for casual users or small projects, and frequent reapplication might be needed for ongoing use. This makes sense for DIYers or tech shops that value volume and straightforward application over precision or ultra-high performance.
Pros:- High thermal conductivity for effective cooling
- Non-conductive and safe for all electronics
- Large quantity suitable for multiple applications
Cons:- Bulk size may be unnecessary for small projects
- Reapplication required over time, especially with frequent upgrades
Best for: Beginners, hobbyists, or professionals needing a large, reliable thermal paste for multiple systems
Not ideal for: Single-use or casual users who prefer smaller quantities to avoid waste or clutter
- Quantity:20 g
- Thermal Conductivity:High
- Material:Carbon microparticles
- Application:CPU, GPU
- Safety:Non-conductive
- Ease of Application:Easy
Our verdict“This paste is a solid choice for those who want a straightforward, high-performance solution in a large volume, especially for multiple systems or ongoing projects.”
ARCTIC MX-7 Thermal Paste (8 g)
The ARCTIC MX-7 8 g offers a high-performance heat transfer solution with a dense, viscous consistency that is designed for automatic spreading, forming a thin, reliable bond line. Compared with MX-6, the MX-7 emphasizes long-term stability, resistance to pump-out, and dry-out, making it well-suited for demanding environments like gaming or intensive workloads. Its non-conductive, non-capacitive design ensures safety across a range of devices. The main consideration is its inability to be spread manually—proper application technique is necessary to achieve optimal results. This paste suits users who want a durable, low-maintenance thermal interface that performs consistently over time.
Pros:- Exceptional heat transfer capabilities
- Long-term stability resistant to pump-out and dry-out
- Safe, non-conductive and easy to clean
Cons:- Cannot be manually spread, application technique is critical
- Requires proper cleaning with MX Cleaner for removal
Best for: Power users and gamers seeking a stable, long-lasting thermal paste for CPUs, GPUs, and consoles
Not ideal for: Beginners or users unfamiliar with proper application methods, as improper technique can reduce performance
- Performance:High thermal conductivity
- Consistency:Dense, viscous
- Application:Automatic spreading
- Electrical Safety:Non-conductive
- Durability:Long-lasting
- Package Size:8 g
Our verdict“This thermal paste is ideal for experienced users prioritizing durability and stable heat transfer over ease of manual application.”
How We Picked
This lineup was curated based on a combination of thermal conductivity ratings, longevity, ease of application, and value for money. We prioritized products that are widely tested and trusted within the PC building community, ensuring that each offers clear advantages for different user needs. Products were ranked not only on raw performance but also on usability, consistency, and how well they balance cost against benefits. This approach ensures that whether you’re a beginner or a seasoned overclocker, you’ll find options suited to your specific requirements.Factors to Consider When Choosing Best Thermal Paste
Choosing the right thermal paste involves more than just looking at thermal conductivity ratings. Several critical factors can influence your decision, especially if you want a reliable, long-lasting, and easy-to-apply solution. Understanding these factors helps you avoid common pitfalls and select a product that matches your specific hardware and usage patterns.Thermal Conductivity
Thermal conductivity, measured in W/mK, indicates how efficiently a paste transfers heat from the CPU or GPU to the heatsink. Higher values generally mean better performance, especially for overclockers or high-temperature environments. However, pastes with extremely high conductivity can sometimes be more difficult to apply evenly, so consider your comfort with application techniques when choosing a high-end product.
Application Ease
Some thermal pastes are thick and require spatulas or special tools for spreading, while others are premixed or come with applicators that simplify the process. Beginners should prioritize pastes with straightforward application methods to avoid uneven spreads or excess use, which can impact cooling efficiency. Additionally, cleaning wipes and easy removal are pluses for those planning regular maintenance or upgrades.
Longevity and Stability
Not all pastes maintain their thermal performance over time. Premium options often include ceramic or metal-based compounds that resist drying out or cracking, reducing the need for frequent reapplication. Cheaper pastes might degrade faster, especially under high temperatures, so consider how often you’ll need to reapply based on your system’s workload.
Price and Quantity
While larger containers often provide better value per gram, they may be unnecessary for casual users or small builds. Conversely, premium pastes tend to be more expensive upfront but can offer better performance and durability. Balance your budget with your expected usage to avoid overspending or underestimating your needs.
Compatibility
Most thermal pastes are compatible with a wide range of CPUs and GPUs, but some formulations are optimized for particular applications. For instance, certain pastes perform better with high-performance CPUs or in overclocked systems. Always check manufacturer recommendations to ensure compatibility with your hardware and to avoid potential issues.
Frequently Asked Questions
How often should I reapply thermal paste?
The frequency of reapplication depends on the type of paste and your system’s workload. Generally, high-quality pastes can last 3-5 years before needing reapplication, especially if kept at moderate temperatures. Systems subjected to frequent overclocking or high temperatures might require more frequent reapplication, roughly every 1-2 years. Regular inspection can help determine if reapplication is necessary, especially if temperatures start to rise or performance drops.
Can I use thermal paste on both CPU and GPU?
Yes, most thermal pastes are compatible with both CPUs and GPUs, provided they are designed for general use. However, some specialized pastes are formulated specifically for high-performance GPU or CPU applications. Always check the product specifications to confirm compatibility and ensure you apply the right amount to avoid excess or insufficient coverage, which can impact cooling efficiency.
Is a higher thermal conductivity always better?
In most cases, yes, but it’s not the only factor to consider. Extremely high conductivity pastes can be more difficult to spread evenly and might require more careful application. For typical users, a balance of good conductivity and ease of use is ideal. Overclockers and enthusiasts often prefer the highest conductivity options for maximum cooling, but beginners can benefit from slightly lower conductivity pastes that are easier to work with.
Do I need to clean old thermal paste before reapplying?
Absolutely. Removing old thermal paste thoroughly ensures optimal thermal contact and prevents air gaps or contamination. Use appropriate cleaning wipes or isopropyl alcohol and a lint-free cloth to completely clear away the old compound. Proper cleaning is essential for maintaining effective heat transfer and avoiding potential overheating issues.
Can using too much thermal paste harm my system?
Yes, applying an excessive amount of thermal paste can be counterproductive. It can spill over the sides of the CPU or GPU, potentially causing electrical shorts or interfering with components. A thin, even layer is sufficient to fill microscopic gaps and optimize heat transfer. Most experts recommend a small pea-sized amount or a thin line, depending on the processor’s size.
Conclusion
For most users, the Thermal Grizzly Kryonaut or ARCTIC MX-4 strike the best balance between performance and ease of use. The Kryonaut is ideal for enthusiasts and overclockers seeking maximum thermal transfer, while the MX-4 offers excellent value for everyday builds and casual users. Premium users and overclockers should consider Kryonaut Extreme or similar high-end options, while beginners will benefit from the simplicity and reliability of MX-4 or ARCTIC MX-6. For those with specific needs, such as compact builds or budget constraints, tailored choices in this list will help optimize your cooling setup effectively.
