Getting the full system spec for you, but here is for the psu.
Asus Geforce GTX 1080 8GB ROG Strix
I had no problem before the switch, should be the CPU only if any
Just fired up Xdefiant, and it looks like this in the main, why does it do that? Trying to run it at a resolution I always do, at 1920*1090
https://streamable.com/aq4gl2