I tested power reporting deviation during blender run, and minimum was 81.3%. This was at full stock settings
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Then i ran the same test with -0.1V core voltage offset. Minimum value was 67.6%
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Are these values bad? Can I do anything about it?
Why is PRD lower with negative voltage offset applied? Is measure with offset reliable?
Which one is giving you best results, and what is the core clock in each? Its clearly obvious that with offset in place you're getting better CPU temperature.
Sub 100% PRD means that your board is understates the CPU consumption to the CPU its self to push it more. But I wouldnt care too much, when the temp is below 70C.
82% PRD means that your CPU is consuming (CPU PPT) 107W and not 88W as the board reports but as I said I wouldn't care.
About the 69% PRD with the offset we cant really say anything because when you start to mess with the power management of the CPU the PRD value is completely useless. If you put down all the data you can understand it.
If we take the 69% for real then that means that the CPU is consuming 127W and not 88W that PPT reports. Tell me now, how it's posible to have better temperature with 127W against the 107W?
So... PRD means something ONLY with CPU on full auto/stock settings.