Cpu coolers benchmarks: Best CPU Coolers 2022: Air and Liquid Cooling Picks

The Best CPU Cooler Brands [And what to beware of]

TABLE OF CONTENTS

What are the best CPU Cooler brands, what makes them unique, and what actually reflects a good CPU cooler brand, anyway?

I’ll be covering each of these questions in detail throughout this article.

I’ve also narrowed down my selection of CPU cooler brands to nine top picks that I feel generally comfortable recommending to anyone—feel free to use the table of contents if you want to jump straight to that!

For now, let’s start with what actually makes a CPU cooler brand good and, therefore, worth recommending.

What Makes a CPU Cooler Brand “Good”?

Competitive Pricing

The importance of competitive pricing is one of the biggest things setting apart the CPU Cooler market from other PC hardware and peripheral markets.

The market for things like GPUs and CPUs tends to scale much higher in price but is also so expensive to develop and produce that only a few companies (AMD, Nvidia, Intel) can reasonably do so.

It’s different with CPU coolers, since they are so commonplace and reasonably cheap to produce, products often compete within price margins of tens to twenties of dollars and specific form factor niches.

This results in a surprisingly diverse market for CPU coolers in a variety of form factors, including particularly large or small air coolers and AIO liquid coolers.

A great CPU Cooler Brand, therefore, should be able to offer its products at a competitive price. The Brand has to be big enough to bulk manufacture enough Coolers to both be able to actually serve the market needs without going out of stock and consequently be able to offer their coolers at reasonable pricing due to bulk manufacturing.

The above rules out any niche cooler manufacturers as they could not cope with demand.

Warranty and Returns

Another thing to look out for when evaluating CPU cooler brands is their warranty and return policy.

In an ideal world, you would never have to make use of these, but you never know when something might go wrong with your hardware, and you find yourself in need of making an exchange or getting a refund.

Brands or specific products with multi-year warranties are ideal since a brand has no real incentive to make sure a product lasts beyond that period. This is especially important to watch out for with AIO CPU coolers, which can leak if allowed to degrade.

In the end, CPU Coolers are responsible for your CPU’s health, performance/boost potential, and longevity. A great CPU Brand has confidence in their products and will therefore offer great warranties.

Unique Features

Last but not least, unique features being offered or presented by a CPU cooler brand can also help set them apart from the competition.

As a few specific examples:

Corsair’s RGB coolers can be directly implemented with their other RGB hardware and peripherals, while be Quiet!’s CPU coolers are purposely built for quieter operation, like the rest of their products.

Or take Noctua: Noctua’s Coolers have a unique color style, which might need some getting used to for some, but is clearly recognizable and often a statement for PC Builders, as Noctua is known for being a premium Brand.

What Makes a CPU Cooler “Good”?

Build Compatibility

Before anything else, you’ll want to make sure that your CPU cooler has full compatibility with your build.

Larger, bulkier air coolers may provide better cooling performance but won’t fit inside many smaller builds due to clearance issues with the case, the motherboard, tall RAM Modules, or even a bulky GPU on the first PCIe Slot. These are fundamental compatibility issues you want to avoid.

Smaller issues like a low-profile air cooler in a chassis with room for a large air cooler or AIO expansion may not prevent compatibility. However, they should still be avoided if possible to maximize the performance of all the hardware involved.

Try to keep your PC case and other components in mind when choosing the best CPU cooler for your needs.

Cooling Performance

Beyond compatibility with your PC build, which largely boils down to size, actual cooling performance is arguably the most important thing to keep in mind.

There is some relation between size and performance (particularly for Air Coolers and AIOs with Multi-Fan Radiators), but this never tells the full story on its own.

Unfortunately, you can’t really gauge cooling performance with a passing glance—you’ll need to consult benchmarks from trusted external sources.

Currently, GamersNexus on YouTube seems to be doing the most thorough benchmarking of new CPU cooler releases, though sites like Anandtech can provide some fairly good benchmarks and reviews, too.

Beware of benchmarks that only target specific workloads, though. If you’re into 3D rendering 24/7, a long list of gaming benchmarks won’t tell you all that much about how a given cooler will perform under sustained loads.

Generally, sustained loads (like CPU rendering, CPU encoding, anything that takes a longer time with 100% CPU utilization) are better cooled by an AIO, while burst workloads (active work inside your viewport, gaming) are usually better cooler by Air Coolers as they react faster to temperature spikes through fast heat-pipe transfer.

Acoustics

Another primary concern of CPU coolers is found in their acoustics, or how loud they end up being under operation and load.

Especially if you’re building a PC thoughtfully enough to consider noise levels elsewhere in the build, your CPU cooler and its fan(s) can’t be forgotten.

With liquid cooling AIOs, acoustics in general are improved, but fans are still very much in use, in addition to pump noise. Instead of being used to cool the CPU directly, though, fans in a liquid cooling setup are instead attached to a radiator, which cools the liquid that cools the CPU.

This means you can have larger fans running more slowly and quietly for a high level of performance compared to the smaller single fan you would be restricted to by most air coolers.

With air coolers, noise levels tend to trend higher overall, but the factors impacting them may be less obvious.

Generally speaking, though, fan size and RPM will correspond directly to fan noise, with larger fans able to push more air at lower RPMs than small fans. This means that your smaller air coolers can often be louder than your larger air coolers, but this isn’t necessarily a hard rule.

Price To Performance Ratio

Last but not least, let’s talk about pricing one more time.

In an earlier section, I discussed how fiercely competitive the CPU cooler market is in pretty much all of its niches. Take a CPU cooler form factor and a budget, and there are likely three or more options actively competing for the top spot in that range.

While a brand having generally-good pricing for its offerings is great, that may not necessarily mean they’re offering the best pricing in its range.

Always double-check benchmarks and reviews for competing CPU coolers in your budget so you can determine the real best option for your needs.

While I’m about to dive into a variety of CPU cooler brands I generally trust and recommend, at the end of the day, you’ll be buying the cooler, not the company—so always look at the competition!

What Are The Best CPU Cooler Brands and What Makes Them Unique?

Cooler Master

Air or Liquid Coolers?: Both
Market Niches: Budget Air Coolers, High-End Air Coolers, AIO Liquid Coolers, RGB CPU Coolers
Established Since: 1992

Cooler Master, as their name might imply, is one of the most well-known names in the CPU cooler space.

The Cooler Master Hyper 212 Evo epitomized this, dominating the air cooler market in the sub-$40 price range for nearly a full decade.

The 212 Evo and some variations are still sold on the market today, but the competition has long since heated up, making them no longer the best option.

However, it’s hard to understate the achievement made by Cooler Master with the Hyper 212 Evo, and I wouldn’t be surprised if it’s the single most-used aftermarket CPU cooler ever made.

The Hyper 212 Evo was originally released in 2011 and remained at the top of recommended budget CPU cooler lists for nearly the entire decade afterward. Newer variations of the Hyper 212 still sell fairly well, too.

Aside from the Hyper 212 Evo, which shows Cooler Master’s proficiency in the budget air cooler market, Cooler Master also likes to compete across the wider cooling market.

These days they aren’t really the best in any particular niche, but their pricing is consistently competitive and they’ve managed to keep a good reputation in the enthusiast community.

Noctua

Air or Liquid Coolers?: Air Coolers Only
Market Niches: Mid-Range Air Coolers, Quiet CPU Coolers
Established Since: 2005

Noctua is another prominent CPU cooler company but focuses more on mid-range pricing and cooling options than on being the best budget cooler in a given range.

Noctua also used to be uniquely known for their unique brown-colored cooling fans, though these days they also come in other colors.

In the market, Noctua makes a variety of air CPU coolers for various form factors, packaged with their own decently-quiet, high-performance fans.

Noctua will generally provide strong low-noise and low-temperature numbers in a given range, but may not always have the best pricing when it comes to price-to-performance ratio.

I consider them a fairly reliable brand, though, even if their pricing isn’t always the best.

EVGA

Air or Liquid Coolers?: Liquid Coolers Only*
Market Niches: AIO Liquid Coolers
Established Since: 1999

EVGA is another major CPU cooler manufacturer, though they’re arguably better-known for their other products in the PC hardware space, especially their graphics cards.

EVGA is one of the leading graphics card brands, but are they also a leading CPU cooler brand? I’d say so, yes.

With CPU coolers, EVGA specializes in high-performance AIO liquid coolers. EVGA’s AIOs tend to perform extremely well at their price point, with standouts like the EVGA CLC series being particularly competitive with the best AIOs on the market (CLC 280 or CLC 360 recommended).

While you may be able to find better AIO options if you’re willing to do the research, EVGA generally makes fairly capable liquid coolers at a compelling price.

*Barring some incredibly rare, and not particularly competitive, forays into air cooling.

Deepcool

Air or Liquid Coolers?: Both
Market Niches: Budget To High-End Air Coolers, AIO Liquid Coolers, RGB CPU Coolers
Established Since: 1996

Deepcool is a long-time manufacturer of CPU coolers and is fairly competitive in terms of price-to-performance in pretty much any given niche of air coolers.

They are most competitive where there is the most competition, though, and that is generally in the budget-to-midrange air cooling space. You’ll definitely want to do some benchmark comparisons with competing options in the same price range, but Deepcool is consistently pretty good for the money.

Besides air cooling, Deepcool also makes pretty decent AIO liquid coolers.

However, those don’t seem to be particularly exceptional compared to competing AIOs. At least at the time of writing, most of Deepcool’s best showings have been found in budget air coolers.

EKWB

Air or Liquid Coolers?: Liquid Coolers Only
Market Niches: AIO Liquid Coolers
Established Since: 2003

EKWB (alternatively known as EK Water Blocks) isn’t just an AIO liquid cooler manufacturer, but also a prominent provider of custom loop liquid cooling hardware.

Custom loop liquid cooling doesn’t come in an all-in-one form factor like AIO liquid coolers or standard air coolers: instead, users have to add dedicated reservoirs, pumps, and custom tubing to push their coolant between the CPU and/or GPU and the radiator(s).

It’s a far more expensive and difficult path to take to high cooling performance, but it does provide a significant boost in both raw cooling power and noise level reduction.

Custom loops are a bit out of the scale of this article, but I’ve written more about them here if you’re interested.

So, EKWB is primarily known for its custom loops. How, then, are their AIOs?

Fairly good, it turns out.

Surprisingly—or perhaps not surprisingly, considering the fact the company has always specialized in liquid cooling—EKWB’s AIOs offer market-leading performance at what is usually a pretty good price. It’s definitely cheaper than trying to build one of their custom loops, anyway.

Arctic

Air or Liquid Coolers?: Both
Market Niches: Budget To High-End Air Coolers, AIO Liquid Coolers, RGB CPU Coolers
Established Since: 2001

Arctic is a major CPU cooler manufacturer and competes fairly well in both air cooling and liquid cooling.

At the time of writing, their Arctic Freezer AIO series is easily among the best available options for high-performance AIO cooling at a competitive price.

As competitive as Arctic are in high-end AIOs, they’re also fairly good at providing a wide variety of high-performance air coolers at reasonable prices.

Some of the cheapest air coolers you’ll find on Amazon will come straight from Arctic and should serve you well as long as you aren’t pushing your system too hard.

be Quiet!

Air or Liquid Coolers?: Both
Market Niches: Mid-Range Air Coolers, AIO Liquid Coolers, Quiet CPU Coolers
Established Since: 2001

be Quiet! Is a PC hardware manufacturer with one distinct, obvious goal: to make the quietest PC hardware possible.

Besides cooling fans and cases, this also extends to CPU air coolers and AIO liquid coolers.

As their brand name shouts to the high heavens, the primary goal of a given be Quiet! cooler or cooling fan is to provide the best performance possible while still staying quiet.

Even without a dedicated cooler, their case fans sold by themselves are fairly good at pushing air without making a lot of noise.

So if your primary or top concern with a CPU cooler upgrade is to cut down on the noise your PC is making, be Quiet! and their coolers should jump right to the top of your list.

Well, this brand and Noctua, anyway, both are competing to make quieter fans and coolers.

Corsair

Air or Liquid Coolers?: Liquid Coolers Only*
Market Niches: AIO Liquid Coolers, RGB CPU Coolers
Established Since: 1994

Corsair is a PC hardware manufacturer known best for its power supplies, gaming peripherals, and very heavy fixation on RGB lighting.

Corsair is generally-known to make high-quality products, but how do they fare in CPU cooling?

Well, Corsair is primarily focused on making AIO liquid coolers. Unfortunately, their AIOs aren’t particularly exceptional when evaluated solely by their cooling performance.

The main incentive to get a Corsair cooler over a competing cooler is that you already have other Corsair peripherals or components with which you can integrate its RGB effects.

Corsair does have legitimately impressive RGB software, but if RGB isn’t a primary focus for you, you’ll likely be better served by another brand.

*Technically Corsair has made a few air coolers too, but AIOs are a much bigger focus and Corsair isn’t really making competitive air coolers.

Scythe

Air or Liquid Coolers?: Air Coolers
Market Niches: Budget Air Coolers, High-End Air Coolers
Established Since: 2002

Last but certainly not least, let’s talk about Scythe.

Scythe has been in the PC hardware space for a while, but has most recently been making waves in the cooling space by providing incredibly competitive air coolers at competitive prices, even against the likes of companies like Cooler Master and Deepcool.

Their Scythe FUMA 2 release in 2021 earned the crown of “Best Overall CPU Cooler” from GamersNexus across a thorough set of benchmarks against dozens of competing coolers—not bad at all for a much lesser-known CPU cooler manufacturer!

CPU Cooler Brands Recommendation

The above sure is a long list of coolers that are known to be reliable, price competitive and that offer great performance. Here’s who I’d rank top three in my personal experience of building dozens of PCs:

Noctua for their uncompromised Air Cooler performance
beQuiet for quiet operation and high performance
CoolerMaster for price competitive performance in lower budget-ranges
Corsair for great AIOs

But that’s just me, how has your experience been with specific CPU Cooler brands?

FAQ

Do AMD and Intel Make CPU Coolers?

Yes, though these CPU coolers may not always be included with the AMD or Intel CPU you’re buying.

If you buy an AMD or Intel CPU and it comes with an included cooler, that’s called a “stock” cooler.

Stock coolers are intended to provide good-enough cooling performance for desktop CPUs, and generally speaking, Intel’s stock cooler designs are low-power and low-profile while AMD’s have better performance and come in a variety of (usually larger) sizes.

Even though AMD’s stock coolers are better than Intel’s, that isn’t really saying much. It’s certainly nice-to-have, but if you want to push stable high clocks/overclocks, lower your noise levels, or maximize your cooling potential, a stock cooler isn’t going to do the job.

Aftermarket Air Coolers and AIO Liquid Coolers are better than AMD and Intel stock coolers across the board, and high-end CPUs may encourage you to bring your own cooler by foregoing stock cooling entirely.

If you’re using a budget or mid-range CPU without overclocking capacity, using an included stock cooler should be fine.

But if you’re overclocking your CPU or you want to further reduce noise or temperatures, an aftermarket CPU cooler from a reputable brand is one of the first things you should consider!

Is Liquid Cooling Better Than Air Cooling?

In some ways, yes, but like many things in the PC space, the answer isn’t quite that clear-cut.

In general, mid-to-high-end air coolers in today’s market are able to push low and sustainable enough temperatures for high-performance CPU overclocking.

Many of these air coolers can even outperform smaller (ie, 120 mm) AIOs, which keeps air coolers relevant for high-performance PC builds.

Now, once you start spending hundreds of dollars on your CPU cooling, you will begin to see liquid cooling as a straight improvement over air cooling.

As long as your chassis has room for larger radiators (240 mm, 280 mm, and larger), you can get liquid cooling AIOs that blow the noise and temperature levels of air coolers out of the water. (No pun intended.)

Alex has written a more detailed guide on the Air vs AIO debate if you’re interested in reading more.

But for now, I’d just like to leave you with the overall impression that both forms of CPU cooling are equally valid, and either can be great for a high-performance PC build.

Conclusion

And that’s it, at least for now!

I hope this article gave you a solid idea as to what the leading CPU cooler brands are, and which you should consider buying from to suit your own needs.

I’ve personally had good experiences with coolers from Noctua, beQuiet!, Corsair and Cooler Master, making them an easy recommendation for anyone building a PC today.

But the CPU cooler market is a fairly competitive one, and you should definitely be considering which cooler to slap onto your CPU with more information than just a brand name! This is more of a starting point than a be-all, end-all CPU cooler buying resource.

Over to You

Leave a comment below and let me know: did this article help point you in the right direction?

Alternatively, are you currently considering a CPU cooler purchase and want input from me or another member of the CGDirector Team? Leave a comment or head to our Forums, where I, a fellow team member, or even a community member will be happy to help!

Until then or until next time, have a good one! And don’t forget: The Cooler Master Hyper 212 Evo may have strong competition these days, but for nearly a decade it was the uncontested Greatest Of All Time. All Time!

CGDirector is Reader-supported. When you buy through our links, we may earn an affiliate commission.

Noctua’s Standardised Performance Rating (NSPR) and compatibility classification for CPU coolers

Measuring, assessing and comparing the performance of CPU coolers in order to select the best solution for a certain processor is much more complex than it may appear at first sight. As the TDP (Thermal Design Power) specifications that are provided by CPU manufacturers and many heatsink suppliers have become increasingly confusing, Noctua aims to help customers making an informed buying decision by offering both a straightforward, general performance rating for each cooler (Noctua Standardised Performance Rating, NSPR) as well as detailed CPU-specific compatibility classifications that allow users to determine how much turbo or overclocking headroom they can expect with a particular model on a specific CPU.

The problems with TDP (Thermal Design Power) ratings

TDP (Thermal Design Power) ratings have been introduced by CPU manufacturers in order to specify how much heat a particular processor will emit, so that customers can select an appropriate heatsink. In response, heatsink manufacturers have started to specify how much TDP their coolers support. As simple and fool-proof as this may sound, there are several severe problems that have made this seemingly straightforward process of selecting a cooler with a TDP rating that matches the TDP rating of your CPU more and more confusing.

First of all, the TDP ratings published by Intel and AMD have become increasingly misleading over the years. Nowadays, it is not uncommon to see so called “95W” or “105W” CPUs producing a heat-output of 150W or more. In the past, pushing CPUs beyond their specified TDP often required manual tuning by the user (overclocking), but nowadays, many CPUs go way beyond their specified TDP ratings automatically, using their turbo modes. These turbo settings are often enhanced even further by many enthusiast motherboards, which do not enforce the recommended power limits from Intel and AMD by default, unless they are manually limited by the user. Considering all this, selecting a heatsink that only supports the specified TDP of the CPU can be problematic and result in lower-than-expected system performance. As a result, the TDP specifications given by CPU manufacturers can no longer serve as a simple guideline in cooler selection.

This is just the tip of the iceberg though. The second key problem is that the amount of heat that a cooler can dissipate can vary greatly from CPU to CPU. For example, the same cooler may be able to dissipate 250W on CPU A but only 150W on CPU B. In particular, CPUs with smaller chips (DIEs) and smaller integrated heat-spreaders (IHS) are much more difficult to cool than larger ones that emit the same amount of heat. In addition to these differences that are due to different heat flux densities, other aspects such as internal DIE configuration and placement on the processor package, as well as the maximum allowed temperature of the processors, also lead to significant variations from model to model. Assigning a general TDP rating to a CPU cooler can therefore end up being misleading as well.

Thirdly, maximum heat dissipation capacity is by no means the only aspect of a heatsink’s thermal performance and perhaps not even the most important one: The thermal performance of heatpipe-based CPU coolers doesn’t scale linearly, so even if cooler A might be able to dissipate up to 350W and cooler B only 300W, it could still be the case that they perform the same at lower heat levels such as 150W, which may be much more relevant for the customer. Max. TDP ratings therefore cannot tell the full story about heatsink performance. This is particularly important for CPUs with high heat flux densities or other internal limitations that cannot be pushed beyond relatively low power levels no matter how much heat the cooler would be able to dissipate. For example, if a CPU cannot go beyond 120W due to internal limitations, cooling performance at 120W will be much more important for the customer than if the cooler could theoretically dissipate 300 or 350W.

Last but not least, it is often unclear how the TDP ratings some cooler manufacturers advertise are actually derived. This is highly problematic because the maximum amount of heat a cooler can dissipate will vary greatly depending on the testing environment and parameters. The results will not only differ from CPU to CPU or if a custom heating element is used instead of a real CPU, they also depend on ambient temperature and the maximum temperature that the CPU or heating element is allowed to reach. For example, the maximum amount of heat a cooler can dissipate will be completely different when the test is conducted at 15°C ambient and the heating element is allowed to reach 90°C than if the test is done at 25°C ambient and the heating element is allowed to reach 50°C. Since most cooler manufacturers don’t specify how their TDP ratings are obtained, it is highly problematic to use these ratings to compare products from different manufacturers. With no parameters specified and therefore no way to control the values, some brands have started to advertise TDP ratings that appear simply unrealistic with regards to real world applications. Taking part in a game of exaggerated specifications is no option for us and this is another reason why Noctua doesn’t publish TDP ratings. Instead, we avoid the various shortcomings of the common TDP ratings by offering a combination of our Noctua Standardised Performance Rating (NSPR) and CPU-specific classifications.

The Noctua Standardised Performance Rating (NSPR)

Noctua’s Standardised Performance Rating (NSPR) is a platform-independent classification system that allows customers to assess and compare the efficiency of Noctua CPU coolers at a glance: The higher the NSPR score, the better the heatsink’s performance. For example, high end coolers such as the NH-D15 will reach a NSPR score of more than 150 whereas compact low-profile coolers will score below 50. Mid-range models such as the NH-U12S will fall somewhere in between:

NSPR

183

167

161

169

162

148

129

157

134

118

119

Using a simple formula, tightly controlled thermal efficiency and dissipation capacity measurements are combined to establish a single numerical rating that is both straightforward and highly indicative of real-world performance.

All measurements that form the basis for the NSRP are conducted inside a thermal chamber at a stable ambient temperature of 22°C and tightly controlled environmental parameters. Using a custom-built heating element, which is powered by a laboratory power supply, allows precisely regulating the heat input. All measurements are taken using high-grade thermocouples and repeated three times in order to guarantee that there are no significant deviations. The measurement tolerance for each reading is below 0.05°C.

The first basis for the NSPR is a measurement of thermal efficiency at a fixed heat-load that is chosen according to the performance class of the heatsink, e.g. compact low-profile or passive coolers are tested at 120W whereas high-end tower coolers are tested at 250W. The temperature of the heating element is measured after having reached a stable level for 15 minutes. To make the results comparable between different heat-loads and performance classes, the heat-load in Watt is divided by the delta temperature (temperature difference between heating element and ambient temperature).

The second basis for the NSPR is a measurement of dissipation capacity that reflects a cooler’s ability to sustain high heat-loads. For this test, the heat-load is increased until a temperature of 60°C is reached and kept stable for 15 minutes.

The results of both tests are then combined and balanced by multiplying the first result by ten and dividing the heat-load of the second test by ten:

By combining a measurement at a typical heat-load with a second measurement that tests the heatsinks maximum dissipation capacity, the NSPR offers a more balanced picture of heatsink performance than standard TDP ratings because it reflects both performance in standard use cases and under extreme conditions. Conducted at a stable ambient temperature of 22°C and with clearly specified, realistic parameters (typical heat-loads in the first test, target temperature of 60°C in the second test), it also avoids the pitfall of going into testing scenarios that are remote from real world applications. At the same time, like with any single-number rating, there is no way around the fact that NSPR is a simplification of the complex nature of heatsink performance. In particular, it cannot reflect the fact that cooling performance can differ between platforms, CPU series’ and even from CPU model to CPU model within a series. This is where our CPU-specific classification scheme of heatsink performance steps in.

CPU-specific classification scheme

Acknowledging that cooling performance can vary significantly from CPU to CPU, Noctua combines the NSPR with CPU-specific recommendations as far as turbo and overclocking headroom are concerned. This way, customers get the best of both worlds, namely the combination of an easy-to-understand single number rating that indicates general heatsink performance with processor-specific recommendations that help customers taking a well-informed buying decision for each CPU model.

In the CPU database of our compatibility centre (ncc.noctua.at/cpus), we classify each heatsink’s performance on a particular CPU according to the following classification:

best turbo/overclocking headroom

medium turbo/overclocking headroom

low turbo/overclocking headroom

compatible without turbo/overclocking headroom

compatible with certain restrictions (see comment)

incompatible (see comment)

This simple, easy-to-understand classification scheme allows customers to get a good idea about how much turbo or overclocking headroom they can expect with which cooler model on a particular CPU. This way, it is straightforward to check common questions such as if a compact cooler is sufficient for running a particular processor at base clock or if it’s worth going for a higher-end model that has a higher NSPR rating in order to be able to make better use of the CPU’s turbo mode. Varying from CPU to CPU, higher end heatsinks may or may not provide additional overclocking headroom depending on whether the processor is internally bottlenecked by other factors than the dissipation capacity of the cooler.

Our CPU-specific classifications are based on rigorous, tightly controlled tests that are conducted inside our thermal chambers at a stable ambient temperature of 22°C. Each load test is run for 30 minutes and repeated 3 times for maximum accuracy. We use well-ventilated tower cases for testing in order to ensure that we get the best possible results that can be achieved with each cooler. As our classifications are based on these fully optimised systems and 22°C ambient, it must be noted that results can be worse at higher ambient temperatures or in smaller, less ventilated cases. For example, if we indicate that a low-profile cooler can maintain base clock without turbo headroom on a particular CPU, it may fall slightly below base clock during sustained continuous loads when run in a small, poorly ventilated ITX case. Similarly, if we indicate that a cooler has low turbo or OC headroom on a particular CPU, it may just be able to sustain base clock if the ambient temperature is 30°C and ventilation is mediocre.

Combining NSPR and CPU-specific classification

It’s only the combination of the NSPR and our CPU-specific classifications that makes it possible to circumvent the shortcomings of traditional TDP ratings. While the NSPR provides a similarly simple (yet more balanced), general single number performance specification that enables customers to compare heatsink performance at a glance, the processor-specific classifications of turbo and overclocking headroom in our CPU database responds to the fact that performance can vary from CPU to CPU. In combination, the two ratings allow customers to make a well-informed buying decision.

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CPU cooler mini-test — Articles and Reviews

In the last material devoted to testing CPU coolers, high-performance COs compatible with CPU Core i7 (LGA1366) were considered. However, most users only dream of switching to the Intel Nehalem platform, so we decided to conduct an additional mini-test, choosing for it various cooler models that had not previously taken part in our research.

Arctic Cooling Freezer XTREME/ XTREME Rev.2

This model has a typical tower-type design: aluminum fins are put on four heat pipes, the radiator is divided into two parts. Between them is placed a fairly quiet 120 mm fan that can rotate at a speed of 800-1500 rpm. The first and second revisions of the cooler differ from each other only in the presence of a mounting plate for Socket LGA1366, but the price difference reaches $21! Therefore, the choice for those who do not plan to switch to Intel Nehalem in the foreseeable future is obvious. nine0197

The Freezer XTREME performs well in terms of efficiency — it turns out to be better than more expensive and famous rivals. The only nuance that we didn’t like in this model (regardless of the revision) is the mounting system, since you will have to use a long screwdriver to install the cooler.

Arctic Cooling Freezer XTREME Rev.2 in our catalog The cooler is based on three heat pipes and has fairly compact dimensions. 9 is used to purge the radiator.2mm fan with original blade configuration. Its noise level is within acceptable limits. The developers have prudently ensured that Hyper TX3 is compatible with Core i5 processors, which are scheduled to be announced this fall.

Despite the affordable price, the product in question demonstrates excellent efficiency results, although a small heatsink works at the limit — its owners should not count on serious overclocking of hot CPUs. Apparently, this is why the manufacturer refused the compatibility of the model with Core i7 processors. nine0197

Cooler Master Hyper TX3 in our catalogue. Perhaps, the Kama Angle cooler, whose heatsink has a specific L-shape, is just one of them. Heat transfer from the copper base to the fins is provided by eight heat pipes. The diagonal fan arrangement is also atypical for cooling systems. Its noise level is low, and the maximum rotation speed is 1200 rpm. nine0197

This model demonstrates good efficiency, and thanks to the original appearance, it is definitely recommended for owners of cases equipped with windows in the side walls — guests interested in PCs will be surprised by the novelty. A convenient mount allows you to install Scythe Kama Angle on any modern processor.

Scythe Kama Angle in our catalog

Scythe Mugen 2

Its heat sink is formed by aluminum fins and five heat pipes. The design is divided into parts — apparently, in this way it is possible to improve the blowing of CO.