I bought today gigabyte gaming 6800 not reference one and it does 60 mhs on eth out of the box 170w, minor tweeks 65 with 130w on phoenix miner 5.3b .
On load it says that it only uses 30 cu but sometimes card says eff speed and pool speed 100-130mhs constantly.Very cool card 59c on 30% fan (3 slots) monster

I hope ill get soon ryzen 5600x just to try out what beets be trippin has already done, split in 2 to get use of all 60 cu.
This card has great potencial i hope im right