![]() ![]() Another thing that I did was to apply good thermal interface compound from thermal grizzly. The CPU can also do -100mV but its not completely stable. ![]() In order to do that I did 90 mV undervolt on the CPU and the iGPU, the iGPU can go to -125mV but I didn't see much benefit. I definitely managed to squeeze out a lot more power out of it. The first picture in this thread shows that if you request a -1000 mV offset voltage and you only send this request to the core and not the cache, your request will be ignored. ![]() The CPU gets to decide whether to use or ignore your request. These are voltage requests that you are sending to the CPU. It seems that newer software that uses the AVX instructions benefits most from running different voltages. He can only run his cache reliably at -60 mV but his Cinebench scores continue to improve as his core offset goes from -120 mV until -200 mV. A user contacted me just recently and he disagrees with that theory. If you adjust the cache to -100 mV, then you can adjust the core offset to -200 mV. One theory on reddit is that there seems to be a 2:1 ratio as the max. Intel XTU does not allow you to adjust these two voltages independently so there is no documentation available from Intel to confirm that this works or why this works. Setting the core offset to -200 mV or -225 mV is OK. Same thing happens if you set the core way beyond what the cache is set to. ![]()
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