Performance? No. But some of the new distros include Gamescope, which is kind of a big deal.
But is there any difference between installing a distro that includes Gamescope, vs. installing it yourself afterward?
Gamescope is great to use even on desktops, it runs the games in its own little shell which is particularly good for compatibility with old games where you can change stuff like resolution, fullscreen, keyboard layout… without impacting your distro.
Oh I see. That is pretty cool. Can you launch that with steam in the desktop version?