Performance Results

Given that I've been doing these cooler reviews entirely in roundups, it's probably no surprise that the amount of results I've put together have absolutely ballooned. So much so that including all of the results in every graph would result in some very, very long graphs. With that in mind, for the master list of coolers (including all of the results from the current roundup), I'm only including what I feel are the most balanced results for a given cooler. I'm taking into account if ratcheting up fan speed doesn't produce much of a difference in performance, or if ratcheting it down makes a huge difference.

Results in black are for coolers that actually failed testing.

Cooling Performance

Out of this roundup of coolers, the three big boys put in the best performance overall, tying or beating Deepcool's flagship Assassin. Unfortunately, they have to run at full bore to really start to nip at the heels of the closed loop coolers. None of them are bad coolers, but the metrics I'm using here really don't tell the whole story.

Acoustic Performance

The nice thing about these new coolers is that none of them are really that loud, with the exception of SilverStone's HE01. The fan Cooler Master employs on the Hyper 212 EVO isn't particularly quiet, but at full bore it's still fairly easy to ignore.

In the midst of all these results, it's unfortunate that Noctua's NH-L9i pretty much has to run at full bore to be usable. It's a definite improvement on the Intel stock cooler, but you're still not really going to be doing any overclocking with it. Its chief advantages over the stock cooler are going to be its lower noise level under load and superior mounting mechanism.

Testing Methodology Silent Cooling Performance and Absolute Performance
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  • garadante - Friday, March 15, 2013 - link

    I actually imagine that in the 240/280mm closed loop coolers, there's easily more than .25 liters of coolant. Perhaps even approaching a liter or more, depending on the size/density of radiator piping and the tubing.

    If your numbers are closer the accurate, than that's a fair enough way to say 15 minutes is likely enough, but still, I'd like to see 30-60 minute tests for the best performers, or even longer. Run those 280mm radiators for 1-2 hours and see how much/if at all that affects performance. Because on that slight change that it -does- affect it significantly, these numbers posted in the review are absolutely meaningless and misleading.
  • coffeejunkee - Friday, March 15, 2013 - link

    Well, interesting results to say the least. Tom's Hardware and X-bitlabs have reviews up as well comparing aio's to NH-D14 and Phanteks PH-TC14. Their results are quite different from this. For example in the X-bitsreview the H55 is easily beaten by PH-TC14 but here the H55 does better than the NH-D14. Something's not right, and it's probably called outtake fan.
  • Nfarce - Friday, March 15, 2013 - link

    Just remember that there are a lot of variables in different entities testing the same cooler, not the least of which is hardware including the case itself, and the success of how well the coolers are attached to the CPU with paste to minimize gaps. Then you have ambient temperature and altitude differences, etc. I wouldn't trust one review to be better or worse than another review of the same cooler. You are better off trying to find a pattern among all the coolers tested you are interested in and see which one mostly stays on top.
  • coffeejunkee - Saturday, March 16, 2013 - link

    Well, yes that's the reason I comment. I read many cooler reviews and I'm aware you can't compare them on an absolute basis, too many outside variables for that. But the results of this one have me scratching my head. This is simply the first time I see an aio like H55 do better than the NH-D14 and it just doesn't make much sense to me. I mean, look how thin the H55 radiator is and then look at the massive 1 kg of copper and aluminium which is the NH-D14. Ok, so H55 has higher rpm fan, but the dual fan setup on the NH-D14 counters that.

    Also, Hyper 212 is a nice heatsink if you can get it around $30 but just 1.6 degree difference vs NH-D14? Which weighs like twice as much and has 2 fans, one even a 140mm model? Maybe using the NH-L12 bracket isn't so ideal afterall (also might be nice to mention regular NH-D14 doesn't come with pwm fans).
  • mapesdhs - Friday, March 15, 2013 - link


    I wish you'd included the Phanteks PH-TC14PE. It's cheaper than the NH-D14, looks nicer
    and in many reviews performs better.

    Ian.
  • Nfarce - Friday, March 15, 2013 - link

    I've been loving my NH-D14 on a 4.8GHz 2500k for two years solid now. Even in summer indoor ambient temps of 80F (27C), it never gets above 55C at that high level o/c running 1.38v. Of course the modded Antec Nine Hundred it sits in has excellent airflow too.

    And two years ago I paid $85 for the thing, so the price has not come down at all, which speaks volumes about the continued demand for them. Best $$ I ever spent under $100 on a piece of hardware.
  • Havor - Saturday, March 16, 2013 - link

    I don't get all the bias of the reviewer against the NH-L9i, yeah for normal PC use its pretty much useless, but thats not ware its made for.

    Its a HTPC/small form factor cooler, and it fits in to places ware its big brothers don't fit, its real competition is the Scythe Shuriken series and some other low profile solutions.
  • Lycros - Saturday, March 16, 2013 - link

    Anyway you can use the same fan(s) across all of the heatsinks next time?
  • ellroy80 - Sunday, March 17, 2013 - link

    Dustin, your review of the NH-L9i is really not fair. It states on the Noctua website that "The NH-L9i is a highly-compact low-profile quiet cooler designed for use in small form factor cases and HTPC environments. While it provides first rate performance in its class, it is not suitable for overclocking and should be used with care on CPUs with more than 65W TDP." So your usage scenario is really not applicable to this cooler. Any chance you could re-test it with, say, an i3-3225?
  • lichoblack - Monday, March 18, 2013 - link

    I have to agree that the review paints the cooler in bad light, but instead of using another CPU, I'm more game with changing the restrictions: test small coolers and see how they fare. The NH-L9i/L9a have a very low height, and you can use them in very, very restrictive cases (thinking of an htpc/emu case using a Lian-Li PC-Q12, then you can only use a cooler up to 55mm, so you can use a stock intel fan, but not an AMD stock fan. see:http://www.lian-li.com/v2/en/product/product06.php... Not many coolers fit this bill, and big air just doesn't fit this. CLC could, depending on the case, but big air can't. So more small aftermarket coolers so we can better paint the small air picture :)

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