Well it seems I've solved my own issue here after hours of digging. Apparently the way AMD cards handle DirectX 11 (and possibly lower editions) is god awful. I went ahead and used the DXVK api for the game and lo and behold, SIGNIFICANTLY less flickers, no more camera stuttering etc etc. A complete night and day difference. So any of you out there struggling with this, look into the graphical API's that people create.