Blender 3.0 (i9-7900X, ASUS Sage WS X299 10G, 64 GB)
Power consumption: RX 6800 XT – 160-180 W RTX 2080 Ti – 220-240 W
So at this point RX 6800 XT HIP performance is similar to 2080Ti/3070 CUDA.
BTW: Opendata page is useless.