It's not Nvidia's drivers being any good per se (some features are lacking, off the top of my head async reprojection for VR), just the hardware is strong enoug

It's not Nvidia's drivers being any good per se (some features are lacking, off the top of my head async reprojection for VR), just the hardware is strong enough to still perform well. With AMD the open source drivers are better than the proprietary ones and generally has an easier time with compatibility, but comes with its own host of issues (e.g. no Freesync over HDMI, no Freesync with >1 monitor if using xorg).