Fan control and curves
Cooling works only with a proper airflow and that’s exactly why I have now once looked at the fan curves. For this purpose I compared the (lower and usual) edge temperature and the fan speeds of the Powercolor RX 6700XT Hellhound 12 GB. In most normal games you won’t even get that high, so it will almost always end up being around 1100rpm, which you’ll hardly notice as really annoying. And the up to 200 watts? They don’t bother the fat cooler at all. With normal OC we end up at about 1200 rpm, no more. So that fits already.
Noise emission “Volume
If you measure the whole thing in gaming with the mentioned maximum 200 watts, the 37.2 dB(A) of the Powercolor RX 6700XT Hellhound 12 GB are quite quiet and on a good level. The disadvantage, however, is that you can now clearly hear the buzzing of the coils. Well, you can’t have everything and the good Mr. Lorentz and his power named after him are unfortunately acoustically a bit in the way. Unfortunately, we see this noise very clearly on the spectrum at about 5 KHz.
I manually set the fans to 1100 rpm once at idle and measured without the coil noise. Then you would end up with a very good 34 dB(A)! It can be assumed that Powercolor has saved on the power supply, but unfortunately I can’t check it. Unfortunately, the sound is not really beautiful. Maybe one could have improved with one more voltage transformer phase and better coils, but that remains pure speculation.
To illustrate my point of criticism, here is the recording from the chamber, directly from the measuring microphone:
As an interim conclusion, we can state that Powercolor has created a cooler that cools very well as a cost-optimized compromise and also remains acoustically up to date. You can leave it like that.
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