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Cryorig H7 Air Cooler Review

To test all CPU coolers, we devised an easily repeatable test with no variables other than the coolers themselves. This ensures that figures from every cooler we test are comparable with each other.

Test rig

Using an open-air test bench, we deploy an Intel Core i7-4790K plugged into a Gigabyte Z97X-SOC Force motherboard. Alongside this is 16GB of 2400MHz Corsair Vengeance DDR3, as well as a 120GB OCZ Trion 150 SSD. Powering everything is a Corsair RM750x PSU.

The test process

Testing coolers involves taking a total of 4 temperature readings per cooler. First, we measure the idle temperature of the i7-4790K at stock speeds (turbo boost disabled), before measuring its temperature under load at stock speeds. Next, we overclock the CPU to 4.5GHz using a 1.3 Vcore, ensuring greater heat output. In its overclocked state we then measure the idle and load temperatures of the CPU again. The figures we present are temperature deltas – meaning we take each temperature reading and minus the ambient temperature from it. This allows us to test in an environment that is not temperature-controlled.

To ward off potential comments or questions, we know 4.5GHz using a 1.3 Vcore is not the ‘best’ overclock – this particular CPU could reach that frequency at closer to 1.25 on the Vcore, which is more efficient. That is not the point, however. We are trying to stress the coolers to see how they deal with excess heat … hence the higher than necessary Vcore.

Where possible, each cooler’s fans are plugged directly into the motherboard using the CPU_Fan or CPU_Opt headers. Some AIOs, however, ship with their own fan controllers or PWM hubs. If we are unable to plug the fans directly into the motherboard, it is specified in the performance section of the review.

An idle reading comes from leaving Windows on the desktop for 15 minutes. A load reading comes from running Prime95’s (version 26.6) Small FFTs test for 15 minutes – enough time for temperatures to plateau.

Noise output

Unfortunately I am unable to properly measure the sound output of CPU coolers using a digital sound meter. This is because I am based alongside a busy road (with high ambient noise levels). Using a sound meter is, as such, not possible as there are variables out of my control. However, I will try my best to subjectively describe the noise output in a helpful manner.

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  • Lelisevis

    Over the last year I have rediscovered my love for big air coolers and huge mechanical hard drives. I think the next thing on my list is replacing my mAtx Z170 gene board with a full size ATX. Maybe it’s because I turn 40 next year and I’m trying to hold onto my youth lol.

  • drno

    this thing is the truth. I’ve built 4 PCs with it and it is so much easier to work with than the EVO and does a better job at cooling. With the credit card thermal paste technique you are saving a ton of money vs liquid. Oh, and the PCs I get with liquid cooling gone bad. Air cooling is where it’s still at.

    nice review!

  • Lystfiskern

    Cooling performance is very good – no doubt about it. The fan om my H7 Lumi Edt. broke down after only 6 months tho` so that was a let down. I`ve replaced it a Fractal Design Venturi HP12 and now it works even better 🙂

  • Jason Kane

    Running this on an open test bench somewhat skews the results doesn’t it?

    99% of people will have their coolers in a closed case so shouldn’t expect the same temps as portrayed here.

  • SteveCR

    Are you an actual winner of the contest?
    Yeah, those limited edition gifts were hand made or one of a kind early sample parts.
    If you are indeed one of the original winners, we are more than happy to send you a official LED QF120 once they are on the market.

  • Lystfiskern

    Yes. I did win the Frost White Lumi Edition H7 on your year end giveaway. I won the 2nd prize..not the RGB-version, but the white-led one and thank you I could always use a 120mm RGB fan 🙂 contact: [email protected] Youll find that adress corresponds with your list of winners. Best regards John-Ivar Rubach

  • CRYORIG H7 Tower Cooler For AMD/Intel CPU’s vs COOLER MASTER HYPER 212X

    Which one is better?