Hello. to keep a heat at 75° 80° you have to reduce the voltage of your GC to 1105 or 1110 perfect. Set the FPS limit for 4K Games to 75 FPS 90 FPS in the Adrenalin program, or in the game options. then it's Magic you can easily Overclock the Frequency of your graphics card. I have my clock set like a 7900 XTX GPU: Boost MAX Clock: Up to 2650 MHz GPU: Game MIN Clock: Up to 2450 MHz don't forget to Limit FPS and that's it Drivers 22.11.2. Good year
GPU: Boost Clock: Up to 2700 MHz GPU: Game Clock: Up to 2500 MHz
Call of Duty® Modern Warfare® II RX 6900 XT 16GB 4K 80 FPS - YouTube
Cyberpunk 2077 RX 6900 XT 16GB 4K Ray tracing 65FPS FIXE - YouTube
Config 3Dmark Overclock Gpu 80°-90°
For games the config is good too