Like set the 4 core active to 6.1? I think that makes it so that 4 cores will try to go to 6.1, not just the best cores. Is there no way anymore to just OC the best 2 cores?

For me it seemed to be the excessive current draw that my chip was taking. Lowering the power limit back to stock (253watts) is what fixed it for me. Look at the comment thread with u/LightMoisture for more information.

If you are wanting the chip to be able to pull more wattage (e.g. if you’re Overclocking or trying to get the best benchmark scores) then increasing LLC also worked for me. It seems like the instability came from Vdroop, so raising LLC allowed my system to draw 300+ watts consistently. DON’T run this as daily driver though. High wattage reduces the lifespan of the chip due to “electromigration”.

Hopefully that helps!

How can I find the default voltage frequency curve?

They are unlimited, and it does thermal throttle on all cores. When doing so, power draw is at ~345 watts.

I am confused on why pure power draw matters. Hypothetically, it’s heat that causes it to thermal throttle. If it was a thermal issue, wouldn’t the whole system shut down, not just a cinebench crash?

Why does power draw inherently cause issues?

I haven’t done either. I’ll try CMOS. Everywhere one said to only update the BIOS if it is known to fix this issue, and none of the updated bios seem to address this at all.