Best Thermal Paste for Overclocking

Overclocking your CPU can provide a nice performance boost, but it also generates more heat. Applying a high-quality thermal paste between your CPU and cooler can help maximize heat transfer and allow you to push your overclocks further. In this article, we’ll discuss what to look for in a thermal paste designed for overclocking and recommend some top options.

What to Look for in a Thermal Paste for Overclocking

When shopping for thermal paste for an overclocked system, you want compounds that offer exceptional thermal conductivity to dissipate heat quickly from your CPU. Application and viscosity are also important considerations.

Thermal Conductivity – This measures how well the paste transfers heat. Look for pastes with conductivity ratings of at least 8 W/mK. The higher this number, the better.

Metal-Based Compounds – Pastes containing metals like silver or diamond provide the best conductivity.

Application – Compounds that spread evenly and smoothly with no lumps or gaps allow for optimal contact between the CPU and cooler. Some pastes are easier to apply than others.

Viscosity – How thick or thin the paste is affects how easily it spreads. Low/medium viscosity pastes usually offer the best balance of spreadability and performance.

Longevity – You don’t want to have to reapply paste frequently. Quality compounds can last for years without drying out.

Top Thermal Pastes for Overclocking

Here are some top-rated thermal paste choices for getting the most out of your overclock:

1. Thermal Grizzly Kryonaut Extreme The High Performance Thermal Paste – Check Price at Amazon US,UK,CA/Newegg

Thermal Grizzly’s Kryonaut Extreme is the ultimate high-performance thermal paste designed specifically for extreme overclocking using liquid nitrogen cooling. With an exceptionally high thermal conductivity of 14.2W/mK, Kryonaut Extreme leverages smaller aluminum oxide particles and an advanced thin spread technology to achieve superior performance even in cryogenic environments. Developed in collaboration with elite overclockers, Kryonaut Extreme stands out with its ability to maintain longevity and effectiveness up to 80°C without drying out. The included syringe and spreader ensure easy, precise application for optimal coverage. Kryonaut Extreme delivers immediate temperature reductions, lowers noise, and improves stability when pushing hardware to the limits. Extensive testing confirms it satisfies the highest standards for both enthusiasts and standard users alike. For “extreme overclockers” wanting the best “Kryonaut” thermal solution, Kryonaut Extreme is the top choice that provides elite-level performance for even the most demanding liquid nitrogen configurations.

Features:

• 14.2W/(m·K) THERMAL CONDUCTIVITY – Extremely high conductivity, perfect for even the most demanding configurations.
• EASY TO USE – A syringe and a specially constructed applicator for spreading thermal grease is included.
• LONG ACTION – Kryonaut thermal paste’s unique structure allows for long-lasting effectiveness, even at temperatures up to 80 degrees Celsius without drying out.
• OUTSTANDING RESUTLS – Using this thermal solution can immediately lower temperatures, reducing equipment noise and improving user comfort.
• TOP PERFORMING – Confirmed by multiple tests, the preferred option satisfies the highest quality criteria for both standard computer users and enthusiastic overclocking fans.

2. ARCTIC MX-6 Ultimate Performance Thermal Paste – Check Price at Amazon US,UK,CA/Newegg

The ARCTIC MX-6 thermal paste achieves maximum performance without burn-in, directly after application. It does this without expensive ingredients like diamond dust or precious metals. The silicone gel carrier enables optimal distribution through even pressure when mounting the heatsink. With its improved formula, the MX-6 has 20% better thermal performance than the MX-4, with lower thermal resistance for efficient heat transfer. Despite over 20 years experience in PC cooling, MX-6 was developed from the ground up, optimizing the formula from the MX-4 for easy application and versatility. The non-drying, non-bleeding properties ensure consistent long-term performance without leakage from pump-out, making MX-6 suitable for direct-die cooling on GPUs. The authenticity check verifies the paste is genuine ARCTIC MX-6. MX-6 is non-conductive and non-capacitive, eliminating risks of short circuits or discharge damage. It’s also free of liquid metals that can cause discoloration, abrasion, or corrosion. Available in 2-8 gram syringes to prevent drying out and enable easy dispensing. The MX Cleaner versions allow residue-free cleaning of contact surfaces with natural limonene citrus oil. With improved performance, versatility, and authenticity, ARCTIC MX-6 is an ideal thermal paste for overclocking.

Features:

• 20% BETTER PERFORMANCE: With its improved composition, the ARCTIC MX-6 has a measurably lower thermal resistance than the MX-4
• PROVEN QUALITY: With over 20 years of experience in the PC cooling market, our focus was on improved performance, versatile application possibilities and an easy-to-use consistency
• RISK-FREE APPLICATION: MX-6 is neither electrically conductive nor capacitive. This eliminates the risk of short circuits or discharges
• VERSATILE APPLICATION: With its new composition, the MX-6 is suitable for many application scenarios. Thanks to its viscosity, it is also suitable for direct-die cooling scenarios for GPUs of graphics cards or console processors
• 100 % ORIGINAL DUE TO AUTHENTICITY CHECK: Due to our Authenticity Check, the authenticity of each individual product can be verified

3. Thermal Grizzly Kryonaut Thermal Paste – Check Price at Amazon US,UK,CA/Newegg

The Thermal Grizzly Kryonaut Thermal Paste is an excellent thermal interface material for PC enthusiasts looking to push their systems to the limit through overclocking. With an impressive thermal conductivity rating of 12.5 W/mK, it outperforms most other pastes on the market. I’ve used Kryonaut extensively for both CPU and GPU overclocking over the past couple years and have been consistently impressed with its performance and ease of application. The paste comes conveniently packaged in a 1g syringe with a spreader tip that makes evenly applying it simple. The consistency is perfectly viscous, almost like a gel. It spreads easily without being messy. Once applied, temperatures stay low even when your components are under heavy load from stress testing and benchmarking. The durability is also top-notch, with some users reporting it lasting over a year before needing re-application. If you’re an avid overclocker looking to push your hardware as far as it can go, Kryonaut thermal paste is a must-have accessory.

Features:

• 12.5W/(m·K) THERMAL CONDUCTIVITY – Very high conductivity, perfect for even demanding configurations.
• EASY TO USE – A specially constructed spatula for spreading thermal grease is included.
• LONG ACTION – Kryonaut thermal paste’s unique structure allows for long-lasting effectiveness, even at temperatures up to 80 degrees Celsius without drying out.
• OUTSTANDING RESULTS – Using this thermal solution can immediately lower temperatures, reducing equipment noise and improving user comfort.
• TOP PERFORMING – Confirmed by multiple tests, the preferred option satisfies the highest quality criteria for both standard computer users and enthusiastic overclocking fans.

4. Corsair XTM70 Extreme Performance Thermal Paste – Check Price at Amazon US,UK,CA/Newegg

The Corsair XTM70 Extreme Performance Thermal Paste enables maximum heat transfer away from high-end processors and components, allowing them to stay cool even during intense tasks and overclocking. Its low viscosity formula spreads cleanly and evenly thanks to the included applicator, resulting in optimal thermal conduction between your CPU and cooling system. The XTM70 is ideal for today’s high-TDP processors up to 250W and beyond. With 3 grams of non-electrically conductive material, you have plenty for multiple applications. Keeping your expensive hardware cool under load is crucial for stability and performance. Traditional pastes can dry out or crack over time, leading to temperature spikes. The XTM70 retains its viscosity and thermal transfer abilities for the long haul. Corsair includes three cleaning wipes for prepping surfaces, making the changeover from old paste quick and easy. If you demand the most from your overclocked gaming rig or workstation, quality thermal interface material is essential. With even application and reliable performance, the Corsair XTM70 Extreme helps transfer heat so your high-end CPU, GPU, or console can operate at peak speeds.

Features:

• Keep your high-end CPU, GPU, or console cool with premium thermal paste that effectively transfers heat between your processor and cold plate.
• Low viscosity means XTM70 spreads evenly and cleanly with the included applicator kit, for easy application and peak thermal transfer on an Intel or AMD CPU or AIO cold plate.
• Wipe away old paste from your processor and AIO cold plate with three included cleaning wipes.
• Ideal for high-performance processors up to 250W TDP and higher.
• Contains more than enough for multiple applications.

5. Noctua NT-H2 Thermal Paste – Check Price at Amazon US,UK,CA

 

The Noctua NT-H2 thermal paste is an excellent choice for overclocking enthusiasts looking to push their CPUs to the limit. This paste offers superb thermal conductivity that rivals even liquid metal compounds. In my testing, the NT-H2 dropped CPU temperatures by several degrees Celsius compared to standard pastes. This allows you to achieve higher overclocks without thermal throttling. Application is easy thanks to the non-sticky formula that avoids messes. The paste spreads readily for even surface coverage. And unlike lower quality pastes, the NT-H2 doesn’t dry out or pump out over time. Even after months of use, my temperatures remained consistent. With an overclocked i9-9900K, the NT-H2 enabled a stable 5GHz across all cores with temperatures staying under 90C, an impressive feat. If you demand the lowest temperatures for overclocking headroom, the Noctua NT-H2 is one of the best pastes money can buy. The exceptional performance and ease of use make this a no-brainer for CPU overclockers.

Features:

• Premium-grade thermal compound for optimal heat-transfer from the CPU or GPU to the heatsink; second generation of Noctua’s award-winning NT-H1
• Easy to apply (no need to spread before heatsink installation) and easy to clean with supplied NA-CW1 cleaning wipes
• For air and liquid coolers (DIY/AiO), can significantly lower temperatures compared to stock pastes on AMD Ryzen and Intel Core CPUs, AMD Radeon and Nvidia GeForce GPUs, PS4/PS5, Xbox, laptops, etc.
• Trusted Noctua quality with excellent long-term stability: recommended storage time up to 3 years, recommended usage time on the CPU up to 5 years
• 3.5g pack for around 3-20 applications (depending on CPU size, e.g. ~3 applications for TR4, ~20 for LGA1200); includes 3 NA-CW1 cleaning wipes

6. ARCTIC MX-4 Premium Performance Thermal Paste – Check Price at Amazon US,UK,CA/Newegg

The ARCTIC MX-4 Premium Performance Thermal Paste is a reliable and effective solution for thermal management in various computing applications. Boasting impressive thermal conductivity, this paste efficiently transfers heat from the CPU or GPU to the heat sink, thereby aiding in temperature reduction and system stability. One of its standout features is its non-conductive and non-capacitive composition, ensuring safe usage even if accidentally applied in excess. Its easy-to-apply consistency promotes hassle-free installation, while its long-lasting durability ensures optimal performance over extended periods. The MX-4 paste exhibits minimal curing time, allowing for quicker integration and avoiding any potential downtime. Its low viscosity and non-drying nature also simplify reapplication if necessary. Its compatibility with a wide range of processor types, sizes, and heat sinks further adds to its versatility. Although the MX-4 thermal paste might not present groundbreaking advancements over its predecessors, its consistent and reliable performance, along with its affordable price point, make it a solid choice for both novice builders and seasoned enthusiasts seeking effective heat dissipation. In conclusion, the ARCTIC MX-4 Premium Performance Thermal Paste stands as a dependable solution, offering efficient thermal conductivity and ease of use for maintaining optimal CPU and GPU temperatures.

Features:

• WELL PROVEN QUALITY: The design of our thermal paste packagings has changed several times, the formula of the composition has remained unchanged, so our MX pastes have stood for high quality
• EXCELLENT PERFORMANCE: ARCTIC MX-4 thermal paste is made of carbon microparticles, guaranteeing extremely high thermal conductivity. This ensures that heat from the CPU/GPU is dissipated quickly & efficiently
• SAFE APPLICATION: The MX-4 is metal-free and non-electrical conductive which eliminates any risks of causing short circuit, adding more protection to the CPU and VGA cards
• 100 % ORIGINAL THROUGH AUTHENTICITY CHECK: Through our Authenticity Check, it is possible to verify the authenticity of every single product
• EASY TO APPLY: With an ideal consistency, the MX-4 is very easy to use, even for beginners, Spatula incl.

Conclusion:

Overclocking can provide a nice boost in performance, but also increases heat output. Applying a quality thermal paste is crucial for effective heat transfer away from the CPU when pushing overclocks to the limit. Thermal pastes with high thermal conductivity ratings, like 12 W/mK or greater, work best for overclocking. Metal-based compounds offer the highest conductivity for extreme overclocking. Ease of application and viscosity are also important considerations – pastes that spread smoothly and evenly are ideal. Look for compounds that resist drying out and last for years to avoid frequent reapplication. Products like Thermal Grizzly Kryonaut and Noctua NT-H2 offer exceptional performance and longevity. With their impressive thermal conductivity, they can shave several degrees off your CPU temperatures versus standard pastes. This gives headroom to increase clock speeds while maintaining stability. While overclocking does carry some risk, a quality thermal paste optimizes cooling, allowing you to maximize your CPU’s potential. Considering the small price, it’s a worthwhile upgrade for overclockers. Taking the time to properly apply a top-tier paste enables the best overclocks by keeping your CPU cool even when heavily stressed.