If you don't know what is causing the problem, why would you single out AMD to hate on rather than Asus, Kingston, Samsung, Gigabyte, etc.?
Try wiping and reinstalling the OS and see if your PC returns to its former glory.
Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT