RE: I current have a 1080ti FTW3 and between Nvidia drivers and everything else I am not getting very good performance out of my card.
Try Nvidia Forum for help. I run RTX2080OC cards and not had problems with them at all, so maybe you might want to try an RTX GPU?
RE: I am not sure if switching to 5700xt would help or not.
Performance Wise - How Does the GTX 1080 Ti Stack Up in 2019? - TechSpot
It looks like your existing GTX1080Ti beats RX5700XT by ~ 9% in that review.
It looks like the GTX1080Ti requires ~ 12% more power than RX5700XT.