http://richg42.blogspot.com/2014/05/the-truth-on-opengl-driver-quality.html No, they just have a terrible driver. The fact that their open source Linux driver performs so well (as it's written from the ground up), is proof of the bad quality of the Windows one. If everyone was thinking like this games would still look like Turok. Ray tracing and DLSS are two completely different things. Also sacrificing post processing for raw pixel count becomes more and more pointless. https://news.xbox.com/en-us/2020/03/16/xbox-series-x-glossary/ It has to do everything with graphics. The reason it exists is so that the system can get more assets to display faster and with less overhead.