Top Tier CPU Air Coolers Q3 2015: 9-Way Roundup Review
by E. Fylladitakis on July 6, 2015 8:00 AM ESTTesting results, maximum fan speed (12 Volts)
| Core Temperature, Constant Thermal Load |
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*Note: When the cooler has two different fans, the fan speed of the faster fan is recorded.
We should start by noticing that one should be extremely careful when reading the performance charts. Even though some of the coolers are of similar design or size, their performance differs greatly. Similarly, coolers with similar thermal performance may have great differences in size, acoustics and or price.
Without a doubt, the grandest example of this warning is the Okeanos. Reeven's offering outpaces nearly every other cooler, comparing directly with Noctua's and Cryorig's finest, when tested at our maximum load and has the best average absolute thermal resistance. However, this is not due to excelling technology or design. On the contrary, the Okeanos is simpler and smaller than most of the coolers in this review. This achievement is simple brute force through high speed fans, which places the Okeanos far behind any other offering on acoustics.
Not unexpectedly, the thermal performance charts are being led by the Noctua NH-D15, the Cryorig R1 Ultimate and the Phanteks TC14PE. These are the best coolers of the most renowned manufacturers, so one would expect interative designs over time to yield benefits. The performance differences between these three offerings, thermal and acoustic alike, are very small. Raijintech's Tisis is the surprise of this review, with similar thermal and acoustics performance to that of the best coolers. The Tisis also has the best low load performance, where the charts shift greatly.
The Dark Rock Pro 3 from Be Quiet! offers lower noise levels but falls a little behind on thermal performance. Not the same can be said about Deepcool's offering, the Assassin, which does not match the thermal performance of the best coolers but is neither quieter nor notably cheaper. The performance gap is rather small but the Assassin is at a disadvantage. The Grandis falls even further behind in terms of thermal performance while the noise levels are similar, but SilentiumPC designed it to be more budget-friendly than other offerings, not to compete with the elite on terms of raw performance. Thermalright's Macho Zero is also an inconsistency in this review, as this cooler is not meant to provide maximum thermal performance and hits the bottom of our absolute thermal resistance charts. On the other hand, the Macho Zero paired with the TY147A is by far the quietest cooler in this review, being whisper-quiet even while the fan is spinning at maximum speed.
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Drumsticks - Monday, July 6, 2015 - link
They did one of these round ups with the 212 Evo or + a while back, also involving high ends from Noctua (U14 and U12S I believe). They found that it doesn't quite match up, but I know it got a mention for exceptional performance for cheap. I think it falls behind more in noise than performance.It definitely would have been interesting to see it in here, but nevertheless, thanks for the review!
kmmatney - Monday, July 6, 2015 - link
I usually undervolt the fan a little - takes care iof any noise issues.Arnulf - Monday, July 6, 2015 - link
+1Nagorak - Monday, July 6, 2015 - link
I would have also liked to have a "decent" CPU cooler like that included, as well as the stock Intel/AMD HSF. It's great seeing how these coolers stack up to one another, but it doesn't truly quantify how much of an improvement you're getting over a cheap alternative, or the stock fan. For the record, I haven't run with a stock fan on any main PC I've owned in the past 15 years, but I would be curious to see how much I'm actually gaining.Araemo - Monday, July 6, 2015 - link
Especially given the raw value of the Hyper 212 Evo at $30, it may get within a degree or two of some of these for half the price or less... which is why my last build had the Hyper 212+ (It's been a few years) - I could have gained maybe 5C by spending 4 times as much.. which didn't seem worth it to me.TheJian - Tuesday, July 7, 2015 - link
AGREED. I have one, and at $29.95 from newegg just a few months ago on sale it was an AWESOME deal. i4790k can do massive oc's with it and even at full load is not terribly annoying with my 5850 causing most noise when gaming. This is still a top seller and for good reason.LittleLeo - Thursday, July 9, 2015 - link
Since its about the most popular cooler for gamers that would have been nice.jay401 - Monday, July 6, 2015 - link
I'm actually really glad to see this article, it's been ages since I've seen a good CPU air cooler roundup and sockets have changed several times over the years so it's nice to know what works well these days.jmke - Monday, July 6, 2015 - link
air cooling has plenty much run into a wall; heatpipes to copper base, aluminum fins on the heatpipes, put 140mm or 120mm fan... there is not a lot of wiggle room, so performance of those that follow this recipe is very close.differentiators now for most part are: socket compatibility, price, installation method. Raw performance/noise is no longer the focus imho if you want a successful product
meacupla - Monday, July 6, 2015 - link
It's not so much socket compatibility, so much as how compatible you can make your heatsink against mobos that have poor design choices.Although not as common on mATX and larger boards, mITX suffers a lot from this, because manufacturers attach fragile bits onto the back of the mobo, near the CPU socket, that interfere with the mounting bracket. Either that, or the CPU socket is placed too close to the PCIe, etc.
That Reeven Okeanos is something I haven't seen since Athlon 64 days, which are heatsinks paired with a stupidly loud fan. Look, if I wanted a heatsink with stupidly loud fan, I would buy an amazing heatsink or watercooler first, then attach the stupidly loud fan to that, instead of some mediocre heatsink with a mediocre fan.