So, finally found reference Radeon 6800 XT 16GB close to me to test and purchase for my 7,1 to replace Radeon Pro 580X. Its 3-4+ times faster on 8-core config.
Here are some bencharks:
Geekbench 6 Metal:
3D Mark 2011 (Extreme):
Forza Horizon 5 (4K Ultra settings)