Radeon Gigabyte RX 6600
Ryzen 5 3600 - boost off
B450 ASrock gaming K4 - latest bios
DDR4 2666 8x2
4G decoding / SAM - enabled
Windows 10 2021 21h2
driver 22.5.1
chipset driver 4.06
After years, As I remember from HD 6000 series, bug still here. last driver I've tested with radeon 6870 15.7.1 - 7 years!
Screenshot - as you can see FPS too low for system like that and GPU not used by game.