hidde663 Posted February 10, 2021 Share Posted February 10, 2021 random info: i killed this chip last month, with only 1.55v (AVX stable@4.924), no degradation - just instant failure. Boot voltage spike maby? Quote Link to comment Share on other sites More sharing options...
yosarianilives Posted February 11, 2021 Share Posted February 11, 2021 On air? That's way too much voltage for Avx2. Ycruncher has probably killed more chips than x265 because people don't understand how avx works with power draw Quote Link to comment Share on other sites More sharing options...
hidde663 Posted February 27, 2021 Author Share Posted February 27, 2021 Too much? I don't know. The chip was delidded, resealed, 85C@155 watt. did not gain anything past ~1.536v on air, the extra is just for the droop. So i set 1.55v, did a few x265 4k benches in a row, which was the hardest test to pass in my book, stabalized the highest freq. without destabalising the mem. It ran fine for a few weeks, then suddenly after i came back from work and it wouldnt POST no more. (i did shut it down myself, so no crashes) Thats why i think it died due to a voltage spike at startup. (similar to how Jayztwocents 7700k died, cant remember for certain) I was hoping the degradation experiment would have lasted a little longer, but oh well got a 5800x now, which is quite a jump in performance. I will wait for de8auer's degradation vid before trying anything "un-safe" on this one ;) Quote Link to comment Share on other sites More sharing options...
yosarianilives Posted February 27, 2021 Share Posted February 27, 2021 15 hours ago, hidde663 said: Too much? I don't know. The chip was delidded, resealed, 85C@155 watt. did not gain anything past ~1.536v on air, the extra is just for the droop. So i set 1.55v, did a few x265 4k benches in a row, which was the hardest test to pass in my book, stabalized the highest freq. without destabalising the mem. It ran fine for a few weeks, then suddenly after i came back from work and it wouldnt POST no more. (i did shut it down myself, so no crashes) Thats why i think it died due to a voltage spike at startup. (similar to how Jayztwocents 7700k died, cant remember for certain) I was hoping the degradation experiment would have lasted a little longer, but oh well got a 5800x now, which is quite a jump in performance. I will wait for de8auer's degradation vid before trying anything "un-safe" on this one Even for benching on air never go above 1.45v, maybe up to 1.5v with a large water loop Quote Link to comment Share on other sites More sharing options...
yosarianilives Posted February 27, 2021 Share Posted February 27, 2021 Oh just realized this is for daily, that is insane. On lake you never go above 1.4v for daily at good temps unless you have a really good water loop then you can do 1.45v. The 1.55v number some people use is because Intel vid table ends there, which is not Intel saying its safe. Basically and arbitrary end saying cpu shouldn't ever request more than this from board. Your chip died because 1.55v is way too fucking much for daily Quote Link to comment Share on other sites More sharing options...
hidde663 Posted March 2, 2021 Author Share Posted March 2, 2021 "Your chip died because 1.55v is way too fucking much for daily" I tried to kill it, that was the idea, to see the degradation process. anyways hopefully someone will read this who is new to OC and wont try such a high vcore as a daily driver. Quote Link to comment Share on other sites More sharing options...
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