There is a fan stop, the hysteresis is well solved and the fans only turn when you really need them. While gaming is still around 1500 to 1550 rpm, the values in the stress test are significantly lower. I alredy wrote about this and I’ve noticed time and again when manually changing the fan settings that this entire fan curve conversion is simply nonsense. Nothing against AMD, but here you’ve got yourself into a complexity that you obviously can’t handle yourself anymore. The whining of the manufacturers about this playground is still warm in my ear.
Let us look at the measured values once again in direct comparison as a tabular list
| Factory BIOS |
Eco Mode |
|
|---|---|---|
| Fan Speed max. |
1582 rpm | 1372 rpm |
| Fan Speed Average | 1521 rpm |
1289 rpm |
| Noise Emission Average | 39 dB(A) | 34.6 dB(A) |
| Noise Emission (Luft) Idle | Fan Stopp | Fan Stop |
| Acoustics | whispering, few low-frequency parts, slightly oscillating | whispering, few low-frequency parts, slightly oscillating |
| Coil Whining |
very low, only for very high FPS numbers and load changes | very low, only for very high FPS numbers and load changes |
Sound Spectrum
The measured 39 dB(A) are based on the measured approx. 1550 rpm in a closed case. I applied the same gaming load to the open setup in the measurement room, but fixed the fans at approx. 1550 rpm in order to be able to adjust this value as accurately as possible. We can see the result in the spectogram:
If you use the presets that I call Eco Mode, it becomes much quieter. With 34.9 dB(A) you’re almost in the real silent range and if you press the TBP to about 200 watts, it’s not 32 dB(A) anymore. So the electrical crowbar takes its toll, even though it remains bearable with the factory settings. A slight oscillation can also be seen here, but it remains discreet in the background. After all.
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