I sold my 6800xt in favor of an 3080 for that exact reason. Thats sad because I could push a bit more frame with the 6800xt, but motion vector is broken on amd card, and this is totaly driver related. I guess that a 6900xt running native 60hz can be solid, but from my experience if you need to rely on motion vector, you are a bit screwed unfortunatly. Also the 10 series card are not updated for vr anymore so thats why you also get artifacts with your 1060, I had the same problem with my 1080. Oculus asw was spot on tho.
I hope Im wrong and that someone can fix it, but I messed a full 2 weeks and was not able to make it work, in any game, any scenario. Constant frame drop and crazy artifact with motion vector.