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The original was posted on /r/intel by /u/WVCoop10 on 2023-12-21 13:54:29+00:00.
Question about undervolting: (XTU)
I haven’t done any undervolting in a few years. I watched several videos to freshen up my knowledge and basically everyone using XTU ONLY adjusts the core voltage offset?
Like every single YouTube video I watched, they lowered the core voltage offset and stress tested and that was it.
Correct me if I’m wrong, but don’t you also need to lower the Processor cache ratio (P cache) and Efficient cores cache voltage offset (e cache?)
I’m trying to figure out what to do because on this i9 13900HX, if I only lower the core voltage offset, I can get it down to like -0.210V.
If I also drop the E cache and P cache, I can only get it down to like -0.140 V with the P and E caches at -0.090 V.
If there is no point in lowering the caches, I won’t do it to give me more headroom for core voltage undervolt.
Help please from an expert!