GPUs Graphics Reviews

Powercolor RX 5700 XT Red Devil under test – force is mass times acceleration

There is a fan stop, the hysteresis is well solved and the fans only turn when you really need them. While the OC BIOS still has about 1750 rpm, the Silent BIOS’s speeds drop to about 1100 rpm, depending on the case and airflow. This is a more than good value and at least with the Silent BIOS absolutely perfect for really quiet systems. Well done, Powercolor!

By the way, it doesn’t look any different in the stress test.

Betrachten wir die Messwerte noch einmal im direkten Vergleich zur Founders Edition als tabellarische Auflistung:

  OC BIOS
Silent BIOS
Fan Speed Maximum 1800 rpm 1164 rpm
Fan Speed Average 1759 rpm 1154 rpm
Noise Level Full Load 36.8 dB(A) 31.9 dB(A)
Noise Level Idle Fan Stop Fan Stop
Sound Characteristics quit, light low-frequency components extreme quit, light low-frequency components, resonances
Coil Whining
low, only for very high FPS numbers and load changes very low, only for very high FPS numbers and load changes

Noise emission and spectogram

The measured 36.8 dB(A) for the OC BIOS are based on the measured approx. 1750 rpm in a closed case. I applied the same gaming load to the open structure in the measurement room, but fixed the fans at approx. 1750 rpm in order to be able to adjust this value as accurately as possible. We can see the result in the spectogram.

Silent BIOS makes it quiet in space. The 31.9 dB(A) are an absolute top value for such an AMD card and it could even have turned out a bit better if it weren’t for the motor noise and the low-frequency resonances when all three fans run at approximately the same speed.

The sound backdrop is pleasant, never disturbing and the card therefore deserves a lot of praise for the cooling performance AND the noise emission!

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About the author

Igor Wallossek

Editor-in-chief and name-giver of igor'sLAB as the content successor of Tom's Hardware Germany, whose license was returned in June 2019 in order to better meet the qualitative demands of web content and challenges of new media such as YouTube with its own channel.

Computer nerd since 1983, audio freak since 1979 and pretty much open to anything with a plug or battery for over 50 years.

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