You get much more out of a console GPU though - true for every console. The issue is not if it is possible - the issue is that it is stupid to go for static 4K/60FPS due to the very visible graphical downgrade you need to do to achieve that. And that will be 100% true for both Xbox and Playstation.
Maybe in the past when devs weren't coding to standardized PC architecture. Now there are low level API's all over on PC and it's become a myth.