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ogyt
Journeyman III

3800x boot to max frequency problem

Hello, 

My spec:

CPU: 3800x with stock cooler

Mobo: MSI MPG X570 GAMING EDGE WIFI

RAM: 32GB, 3200 Mhz

I have a problem with my 3800x CPU, it will not boost neither of  it's cores up to the max frequency of 4.5 Ghz under the load. 

I have run test with Cinebench r20 (Single core), but as I've said neither of cores could not hit 4.5 Ghz which I measured with HWInfo64 by looking in the 'Maximum' column for frequencies, usually the maximum I can get on the fastest core is 4425 Mhz.

Still, if the processor is not under any significant load (no heavy programs opened, mouse standing still etc.) I can record boosting up to 4.5 on 3 cores.

So now I am wondering should I ask for refund or this is normal behavior ?

Or is there anything else I can do to make CPU boosting up to 4.5 at least on 1 core ? 

I have updated  Bios, Chipset drivers to the latest as of this day 18.10.2020.

Most of Bios CPU related settings are set to Auto, I tried with this settings as well 

  • Global C-state Control = Enabled
  • Power Supply Idle Control = Low Current Idle
  • CPPC = Enabled
  • CPPC Preferred Cores = Enabled
  • AMD Cool'n'Quiet = Enabled
  • PPC Adjustment = PState 0

but no luck

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