Mastering Hardware Choices: A Deep Dive Into Tom's Tech Wisdom for Gamers and Pros
2024’S Leading Thermal Pastes for Computers Tested and Ranked - Discover Your Top Picks
Choosing the best thermal paste may sound simple, but a dizzying array of options can turn this seemingly easy choice into a time-consuming and confusing task. Thermal paste is designed to minimize microscopic air gaps and irregularities between the surface of the cooler and the CPU’s IHS (integrated heat spreader), the piece of metal built into the top of the processor, to transfer heat to the CPU cooler.
Good thermal paste can have a profound impact on your performance because it will allow your processor to transfer more of its waste heat to your cooler, keeping your processor running cool. Choosing the best thermal paste is also important if you plan on overclocking your rig to its fullest. Even thebest CPUs for gaming can often hit slightly higherCPU overclocks if paired with a good thermal paste.
Performance enthusiasts often swear by a favorite brand of paste, but new recipes crop up fairly frequently. We’ve extensively tested some of the top thermal pastes on the market. If you’re hunting for more exotic pastes off the beaten path, we also have plenty of historical data below covering 90 different pastes (and yes, we’ve even tested toothpaste).
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Thermal paste goes by many names, such as “thermal compound,” “thermal grease,” or “TIM” (Thermal Interface Material), but they all have the same purpose — to help keep your chip cool by ensuring that heat passes efficiently from the CPU to the cooler.
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Most pastes are made of ceramic or metallic materials suspended within a proprietary binder, allowing for easy application, spread, and cleanup. Depending on their specific formula, these thermal pastes can be electrically conductive or non-conductive. Electrically conductive thermal pastes can carry electricity between two points, meaning that if the paste squeezes out onto other components, it can cause damage to motherboards and CPUs when you switch on the power. A single drop out of place can lead to a dead PC, so extra care is imperative.
Liquid metal compounds are almost always electrically conductive, so while these compounds perform better than their paste counterparts, they require more focus and attention during application. They are very hard to remove if you get some in the wrong place, which would fry your system. In contrast, traditional thermal paste compounds are relatively simple for every experience level. Most, but not all, traditional pastes are electrically non-conductive.
Even though a dizzying array of different thermal pastes are available—some blends have been around for over a decade—new formulations still come to market at a surprising pace. As new pastes arrive, older pastes also retire.
We’re also putting a new take on an old approach to the test — thermal pads. These pads can be used as a thermal paste and come as a single sheet you simply apply to your heatsink, withThermaltake’s Heilos Pad being the first new thermal pad entrant to see our test bed in the coming weeks.
Here are the best thermal pastes, along with our complete test results. Remember that you don’t always get what you pay for as some budget pastes come awfully close to or overtake their more expensive competitors.
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Best Premium (Standard) Thermal Paste
Best Premium (Standard) Thermal Paste
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Take advantage of PREMIUM features.1. Toplamp TL-A40
Best Premium
☆ ☆ ☆ ☆ ☆
Specifications
Electrically Conductive: No
Thermal Conductivity: 14.9 W/mK
Ease of Use: 4.5 (1=difficult, 5=simple)
Relative Performance: 5.0 (1=poor, 5=excellent)
Cleanup: lint-free absorbent paper towels, alcohol pads or cotton swabs and alcohol
Price per gram: $1.75
Today’s Best Deals
Reasons to buy
Stability
Easy to use
Easy to clean up
Reasons to avoid
-
None
While it doesn’t beat liquid metal compounds in our tests, Toplamp’s TL-A40 is the best traditional thermal paste we’ve tested on our air cooling system. It is easy to apply to all surfaces and simple to clean up. You can’t go wrong with this one — and with its relatively budget price of $6.99 USD, it shows that you don’t need to spend a lot of money for good thermal performance.
Best Premium Paste (Runner-up)
Best Premium Paste (Runner-up)
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2. Kooling Monster KOLD-01
Runner-up: Best Premium Paste
☆ ☆ ☆ ☆ ☆
Specifications
Electrically Conductive: No
Thermal Conductivity: Unspecified
Ease of Use: 4.5 (1=difficult, 5=simple)
Relative Performance: 4.5 (1=poor, 5=excellent)
Cleanup: lint-free absorbent paper towels, alcohol pads or cotton swabs and alcohol
Price per gram: $2.45
Today’s Best Deals
Reasons to buy
Stability
Easy to use
Easy to clean up
Reasons to avoid
-
Price per gram
Kooling Monster KOLD-01 is a mildly viscous thermal compound with good stability. This paste is designed to last long without reapplication, making it a favorite among many system builders. Our test results measure it at only 0.1c behind Toplamp’s TL-A40, which is within the margin of error. In our opinion, they’re equally strong performers.
Best Premium Non-Standard Compound
Best Premium Non-Standard Compound
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3. Honeywell PTM7950
Best Premium Non-Standard Compound
☆ ☆ ☆ ☆ ☆
Specifications
Electrically Conductive: No
Thermal Conductivity: 8.5 W/mK
Ease of Use: 4.5 (1=difficult, 5=simple)
Relative Performance: 5 (1=poor, 5=excellent)
Cleanup: lint-free absorbent paper towels, alcohol pads or cotton swabs and alcohol
Price per gram: varies depending on source
Today’s Best Deals
Reasons to buy
Easy application and cleanup
Solid material that isn’t messy
Performance similar to LM with air cooling
Reasons to avoid
-
Generally more expensive than paste
-
Requires high pressure for best performance
Honeywell’s PTM7950 is a thermal compound like no other— this thermal pad changes from a solid to a liquid upon applying heat and pressure. With our air cooling results, PTM7950 had the best results of any non-liquid metal compound. Its primary downside is longer burn-in times. We recommend giving it a strong thermal test after application to ensure you’re getting the best results.
Best Premium Non-Standard Compound (Runner-up)
Best Premium Non-Standard Compound (Runner-up)
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4. Thermal Grizzly Kryosheet
Best Premium Non-Standard Compound
☆ ☆ ☆ ☆ ☆
Specifications
Electrically Conductive: No
Thermal Conductivity: 8.5 W/mK
Ease of Use: 5 (1=difficult, 5=simple)
Relative Performance: 4.5 (1=poor, 5=excellent)
Cleanup: none
Price per gram: varies depending on source
Today’s Best Deals
Reasons to buy
Easy application, no cleanup
Solid material that isn’t messy
Reasons to avoid
-
Moderate cost
Thermal Grizzly’s Kryosheet is a solid, thin graphene pad that doesn’t require any burn in time. It can be reused if removed carefully and has no mess to clean up whatsoever. Its thermal performance is excellent, trailing the best pastes on the market by less than 1 degree Celsius.
Best Liquid Metal Thermal Paste
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Best Liquid Metal Thermal Paste
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Best Liquid Metal Thermal Paste
☆ ☆ ☆ ☆ ☆
Specifications
Electrically Conductive: Yes
Thermal Conductivity: 73 W/mK
Ease of Use: 1 (1=difficult, 5=simple)
Relative Performance: 5 (1=poor, 5=excellent)
Cleanup: Unnecessary
Price per gram: Not comparable to traditional pastes
Today’s Best Deals
Reasons to buy
For extreme overclocking
High performance
Reasons to avoid
-
Difficult to apply
-
Electrically conductive
Thermal Grizzly’s Conductonaut is the best-performing thermal compound, matching or beating all competitors we tested on both air and liquid cooling systems. If you’re looking for the best performance on the market, bar none, you’ll want to pick up Thermal Grizzly’s Conductonaut. It is electrically conductive, so proceed with care.
Best Liquid Metal Thermal Paste (Runner-up)
Best Liquid Metal Thermal Paste (Runner-up)
(Image credit: Amazon)
6. BeQuiet DC2 Pro
Best Liquid Metal Thermal Paste
☆ ☆ ☆ ☆ ☆
Specifications
Electrically Conductive: No
Thermal Conductivity: 80 W/mk
Ease of Use: 1 (1=difficult, 5=simple)
Relative Performance: 5 (1=poor, 5=excellent)
Cleanup: lint-free absorbent paper towels, alcohol pads or cotton swabs and alcohol
Price per gram: Not comparable to traditional pastes
Today’s Best Deals
Reasons to buy
For extreme overclocking
High performance
Relatively inexpensive for a liquid metal paste
Reasons to avoid
-
Difficult to apply
-
Electrically conductive
BeQuiet’s DC2 Pro is on par with Thermal Grizzly’s Conductonaut overall but is available for much less. As with all liquid metal compounds, extra care will be needed during installation due to electrical conductivity.
Thermal Paste Performance Rankings
Here’s a breakdown of our recent testing, and we’ll be adding new pastes to this list over the coming weeks and months. A bit further down, you’ll find our original rounds of testing with 85 different pastes tested in 2017 and 90 pastes tested in 2022, some of which we’ve revisited in this new performance hierarchy. That should give you a good idea of how other pastes we haven’t retested yet would compare to the newer ones.
We’ll explain how we test these thermal pastes below, but the key takeaway is that a single thermal compound can perform differently based on several variables, such as what type of cooler and mount you use. To cover all the bases, we’ve tested every thermal paste in a traditional air cooling system and a liquid cooling system. Below, you’ll find the temperatures we measured on our new standardized test bench, and as always, lower temperatures are better.
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Thermal Paste Test Results
●Air Cooling
We usedID-Cooling’s A720 air cooler for our air cooling setup, as it is one of the best three air coolers we’ve tested thus far.
We tested a few traditional thermal pads, but thus far, all have failed testing on both air and liquid cooling systems with the power limits that we’ve used for testing. To better demonstrate the performance of these pads, we’ll show a different metric for these types of materials. Our next update will have many more thermal pads tested and will include a new chart to better demonstrate the performance of traditional thermal pads.
Liquid metal compounds top the temperature chart with slightly cooler values than traditional pastes, but not by much. All of the phase change compounds we tested performed only 0.1C behind liquid metals, making them a much more attractive choice due to their lack of electrical conductivity.
When we examined the cost of each compound, we were surprised to find that the best traditional paste tested was also very affordable—Toplamp’s TL-A140 was currently available for only $6.99 onAmazon at the time of this publication.
Based on the results from our testing, we’d recommend Toplamp’s TL-A140 for most users. If you want the absolute best thermal performance, don’t bother with the risk of liquid metal for an air cooling setup and use a phase change compound like Honeywell PTM7950 or Thermalright Helios.
●All In One (AIO) Liquid Cooler
We usedCooler Master’s Atmos 360 AIO to test thermal compounds on an AIO liquid cooling system.
Liquid metals once again perform best with an AIO but with a larger performance improvement than paste in our air cooling results. However, the performance gained is still rather small compared to traditional compounds. If you want to take full advantage of the performance liquid metal can offer, you’llneed to delid your CPU . However, we don’t recommend that for all but the most extreme users who are willing to potentially sacrifice their chip to eke out the last few percentage points of performance — proceed at your own risk.
Just as with our air cooling results, Toplamp’s AL-140 is the best-performing traditional thermal paste. With its budget price tag of $6.99, it shows that you don’t need to spend a lot of money for top-tier performance.
We tested a few phase change compounds on our liquid cooling setup, and they didn’t perform as well as they did on our air cooling setup. That’s not to say they performed poorly—their performance was on par with good thermal pastes, but with our air cooling results, they performed nearly as well as liquid metal.
There are a few possibilities to explain why phase change compounds did not perform as well on our liquid cooling system. The most likely of these is the mounting used withCooler Master ’s Atmos 360. I’ll need to test phase change compounds with other liquid coolers to say for sure, and I may investigate this further in the future.
●Key Takeaways
Thermal compounds might always be compared and debated, but the simple fact remains: PC system building needs thermal compounds to effectively dissipate thermal loads. Without them, our beloved gaming and content-producing machines would struggle to keep components cool during heated frag sessions, heavy workstation computations, or just simply browsing the web.
Not every system will need the most expensive compound, so even the most budget-minded system builders can rest easy knowing that even lower-cost pastes can prove very effective. For most users, we recommend Toplamp’s AL-140 because it is one of the best pastes we’ve tested and is cheap at only $6.99 USD. After the test setup, you can see our historical testing results with far more pastes.
Test System Configuration and Testing Methods
Swipe to scroll horizontally
| CPU | Intel i9-14900K |
|---|---|
| Motherboard | MSI Z790 Tomahawk Max WiFi |
| Cooling | Cooler Master Atmos 360 (AIO Cooling) ID-Cooling A720 (Air Cooling) |
| Chassis | XPG Battlecruiser II (Air Cooling) BeQuiet! Dark Base Pro 901 (AIO Cooling) |
| Fan Control | PWM at 100% |
For our thermal compound tests, I used the same hardware and configuration for each test to minimize environment variables. Some of these components were sampled by vendors, without whom this testing wouldn’t have been possible. Intel sampled twoRaptor Lake i9-14900K CPUs , andMSI sampled two of its latestZ790 Tomahawk Max WiFi motherboards for this testing.
(Image credit: Tom’s Hardware)
Here are our legacy thermal paste testing charts from 2017 and late 2022, but our newest testing is above. As you’ll notice, many of the same popular pastes in 2022 are still on the market, making it into our new round of 2024 testing.
We have new testing equipment for our updated tests, such as a more modern CPU, motherboard, and coolers, and we use a different stress test. As a result, the new test results above are not directly comparable to our legacy results below. However, the results serve as a solid guideline for comparative purposes if viewed within their contained test pools.
We’ll add more thermal pastes to our new hierarchy; stay tuned.
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- Title: Mastering Hardware Choices: A Deep Dive Into Tom's Tech Wisdom for Gamers and Pros
- Author: George
- Created at : 2024-08-19 03:33:08
- Updated at : 2024-08-20 03:33:08
- Link: https://hardware-tips.techidaily.com/mastering-hardware-choices-a-deep-dive-into-toms-tech-wisdom-for-gamers-and-pros/
- License: This work is licensed under CC BY-NC-SA 4.0.