If you're asking specifically for CoD:MW3 see this thread:
https://community.amd.com/t5/drivers-software/call-of-duty-modern-warfare-iii-not-compatiable-with-2...
Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT
Ryzen R7 5700G | B550 Gaming X | 2x8GB G.Skill 4000 | Radeon Vega 8 IGP
Ryzen R5 5600 | B550 Gaming Edge | 4x8GB G.Skill 3600 | Radeon RX 6800XT
