I've had pretty much the same experience, but with an RX7900 XTX, which is an even moer expensive card. In the end I even got soft-locked, because I was playing on the highest difficulty, and in some random side misssion I just kept respawning in a spot, where I could not reach any kind of cover before being killed. Of course I tried to lower the difficulty, but that just instantly crashed the game. That was the point where I uninstalled