It's a weird thing to choose for showcasing a GPU though.
My guess is that's the only thing they got good steady performance with, they probably still need to iron out some performance kinks for it to be usable for other games. The drivers are probably wonky.
Modern proprietary video card drivers are packed full of one-off hacks for individual games. This is why the nvidia driver is over 300 MB and you need to update it every time a new game is released.
It seems to be a good game to showcase it, since:
It's a weird thing to choose for showcasing a GPU though.
My guess is that's the only thing they got good steady performance with, they probably still need to iron out some performance kinks for it to be usable for other games. The drivers are probably wonky.
Modern proprietary video card drivers are packed full of one-off hacks for individual games. This is why the nvidia driver is over 300 MB and you need to update it every time a new game is released.