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The original was posted on /r/intel by /u/todabasura on 2023-09-10 01:19:28+00:00.

Hello guys, sorry my question is very basic.

I’m trying to Undervolt an i9-13900K on a Z690 Hero motherboard with a socket frame and a Noctua NH-D15 cooler all in a Fractal Design Torrent case.

I understand that to make Undervolt I must modify the values of:

  • Actual VRM Core Voltage (Offset Mode Sign | CPU Core Voltage Offset)
  • Global Core SVID Voltage (Offset Mode Sign | Offset Voltage)
  • Cache SVID Voltage (Offset Mode Sign | Offset Voltage)

I am modifying these values between -0.050 ~ -0.040 and I am modifying the PPL between 228w ~ 250w

The problem is that no matter what values I set, when doing the 10 minute test in Cinebench R23, in all scenarios I am getting Thermal Throttling.

I don’t know if I’m modifying the wrong values or I’m doing something wrong.

I wish someone could point me towards the right path so I can perform a correct undervolt.

In advance thank you very much for the help.