This testing kicked-off because we questioned the validity of some cooler testing results that we saw online. We previously tested two mostly identical Noctua air coolers against one another on Threadripper – one cooler had a TR4-sized plate, the other had an AM-sized plate – and saw differences upwards of 10 degrees Celsius. That said, until now, we hadn’t tested those Threadripper-specific CPU coolers versus liquid coolers, specifically including CLCs/AIOs with large coldplates.

The Enermax Liqtech 240 TR4 closed-loop liquid cooler arrived recently, marking the arrival of our first large coldplate liquid cooler for Threadripper. The Enermax Liqtech 240 TR4 unit will make for a more suitable air vs. liquid comparison versus the Noctua NH-U14S TR4 unit and, although liquid is objectively better at moving heat around, there’s still a major argument on the front of fans and noise. Our testing includes the usual flat-out performance test and 40dBA noise-normalized benchmarking, which matches the NH-U14S, NH-U12S, NZXT Kraken X62 (small coldplate), and Enermax Liqtech 240 at 40dBA for each.

This test will benchmark the Noctua NH-U14S TR4-SP3 and NH-U12S TR4-SP3 air coolers versus the Enermax Liqtech 240 TR4 & NZXT Kraken X62.

The units tested for today include:

The advent of a new technology does not necessitate the invalidation of long-standing solutions. Just look at tape drives: Enterprise, archival, and government organizations still use a storage technology established in the 50s. Granted, governments are not necessarily the paramount of competent technological deployment. This sentiment of archaic persistence remains true in the world of cooling, too; CPU air cooling has reigned supreme as the most cost-effective consumer dissipation solution, and even with CLCs dominating the market, air still has its place.


We've often remarked that high-end air coolers will beat-out low-end liquid coolers any day -- the Corsair H60 comes to mind -- and this is a chance to put the concept to the test.

In this review of Be Quiet!'s Dark Rock Pro 3, we benchmark the performance of the hardware world's most monolithic CPU cooler.

Our history of working with SilverStone has been relatively limited, but we've always walked away impressed. This first happened with the SG08, then again with the Raven RV02 -- which now sits firmly at the top of our thermal bench for enclosures. In talking with the company, we've found that they feel incredibly confident in their products' performance and—while that's not uncommon in PR—they haven't been wrong yet. I can respect that.


The Argon AR01 cooler is another example of this: Having recently re-benched all our coolers on the 2013 GN Test Bench, SilverStone was eager to assert their dominance among air coolers. There are a few different models of the new Argon cooler, each purpose-built for different socket-types (and thus CPU sizes); the advantage to this is that—rather than ship a "one size fits all" unit, like the Hyper 212 or Respire T40—users can achieve peak thermal dissipation with optimized coldplate positioning.

Let's specifically look at Intel for demonstrative purposes: If you're not aware, the number accompanying LGA sockets is the pin-count for the socket. IB LGA1155 has 1155 pins that connect the socket and the CPU, SB-E LGA2011 has 2011 pins, and so on. As you can imagine, the physical substrate dimensions are dictated by the number of pins; this also tends to trend with more powerful (X-class) CPUs, which occupy their substrate with physically-larger silicon dies.

Adding an aftermarket CPU cooler to your gaming system will undoubtedly tighten thermal differentials to a more predictable range, and while semiconductors do "like" heat to a limited degree, CPUs have trouble operating under intense, fluctuating thermal load. Aftermarket CPU coolers, much like RAM, are a commodity in the mainstream market; they're not necessary to operate at stock frequencies, but are nice to have for decreased noise pollution and decreased room temperatures (I'm only sort of joking - my system easily increases room temps by a degree or two).


For lightweight overclocking, of course, the story is different -- these coolers are necessary to protect the chip and increase core stability when under load. There's a lot of engineering that goes into a quality CPU cooler and, as with any quality engineering, you won't find the best possible designs for entry-level coolers. There are elements to prioritize, though, and we can uncover what differences make the largest impact by benchmarking a wider array of units.

This one's a classic case of "old but good."

The Tuniq Tower 120 Extreme first launched right around the Nehalem days, and despite its age, is still ranked as one of the top CPU coolers presently available. After our recent look at NZXT's brand new Respire series, we figured we'd start building our benchmark database with some stellar performers.


In this Tuniq Tower 120 Extreme review, we'll benchmark the cooling performance, provide a video hands-on, and compare a few CPU coolers/heatsinks against each other. We also plan to bring up heatsink and cooler design philosophy, hopefully helping you make purchasing decisions.

After reviewing the ultra high-end Phantom 820 case, the folks over at NZXT sent us their newest in mid-range computing accessories: The Respire T20 and T40 CPU coolers. These two coolers are marked at $30 and $40 MSRP respectively, fitted with 1300-1800RPM fans (50CFM or 68.8CFM), and have a fairly standard aluminum heatsink design with copper heatpiping.


We benchmarked the Respire T20 vs. the T40 and were able to collect temperature performance data on each, so if you're considering buying either of these new CPU heatsinks, read on! We've also included a video review for those who want a more hands-on look at the product.

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