Kdo ma zajem, tady je par dalsich informaci z mereni termo kamerou a predbeznym zaverem, v cem je pravdepodobna pricina problemu.
"The two chips are exactly between the GPU and the VRM phases, so the power supply runs directly below, which heats the memory from below."
https://translate.google.cz/translate?hl=cs&sl=de&tl=en&u=http%3A%2F%2Fwww.pcgameshardware.de%2FGeforce-RTX-2080-Ti-Grafikkarte-267862%2FNews%2FDefekte-Grafikkarten-Bildfehler-Ursache-1268630%2F
Vypada to na kombinaci neoptimalne navrzeneho rozlozeni referencni karty, kde je pamet umistena mezi GPU a VRMkama, spolu s nedostatecnym chlazenim pres Vapor chamber chladic.