I tried on my xfx 7900xtx 1093mv few days multiple games and benchmarks all went perfect then cyberpunk with path tracing pushed the cores to level where 1093mv failed and amd driver self rebooted gpu and game crashed.
Now testing 1097mv hope it will close the gap to keep it stable..if not will go to 1100mv and hope it will it....
Stock mv is 1150mv
Xfx merc310 7900xtx
Fast bios
+12 for power limit and 100% fans setup
Hotspot temps as i recall in heavy games and bench can reach 95c for hotspot. But i need recheck how it is with undervolt i got now.
P.s. I hope future drivers from amd maybe enhance stability with undervolt but for now that is what it is.