I recently put together this setup:
- Asrock B450-M HDV
- Ryzen 7 2700X
- Silentiumpc Fortis 3 HE1425 V2
- Corsair CM550X
- 2 x G-SKILL F4-3200C14-8GFX
- Antec One Hundred
I am using Windows 10 2004, fully patched, performance mode.
![HWInfo64_Summary_20200624.PNG HWInfo64_Summary_20200624.PNG](/t5/image/serverpage/image-id/33762iB9D4804144FDC823/image-size/large?v=v2&px=999)
When subjected to Folding@Home agent on both CPU and GPU, after few minutes the Ryzen throttles to ~0.5GHz every 12-15 seconds.
![Ryzen 7 2700X throttling_20200624.png Ryzen 7 2700X throttling_20200624.png](/t5/image/serverpage/image-id/33757iAD5E31A19885F1BD/image-size/large?v=v2&px=999)
The temperatures seem to be in check (here is a whole day run on HWInfo64 sensors):
![HWInfo64_Sensors_CPU_20200624.PNG HWInfo64_Sensors_CPU_20200624.PNG](/t5/image/serverpage/image-id/33759i3E884FC336073427/image-size/large?v=v2&px=999)
![HWInfo64_Sensors_MB_20200624.PNG HWInfo64_Sensors_MB_20200624.PNG](/t5/image/serverpage/image-id/33760i34E755CD2EFFA925/image-size/large?v=v2&px=999)
![HWInfo64_Sensors_GPU_20200624.PNG HWInfo64_Sensors_GPU_20200624.PNG](/t5/image/serverpage/image-id/33761i39A5396F6ED87B0D/image-size/large?v=v2&px=999)
I found out that when I set 3.0GHz using the Ryzen Master tool on all CPU cores this does not occur.
Please advise on what causes this throttling.