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Ars recently tested SteamOS against Windows 10 and determined on average Windows 10 had a higher frame rate.

Does this have anything to do with Linux's reliance on an archaic graphics system (X11)?

  • @don_crissti Not looking for any nVidia support. I don't even use SteamOS. Only looking for a valid answer if the Linux X system is a potential cause of this drop. – Frugal Rasin Nov 13 '15 at 22:06
  • I guess this is the graphics driver issue. You may take a look at phoronix.com/… – Ott Toomet Nov 13 '15 at 22:57
  • @OttToomet, that is a good find. As the original question suggests, there may be a reason for any potential inferior Linux graphics performance (in comparison to Windows 10), and that reason is the X system. (Currently searching for a link to that long well detailed post/answer somewhere here on the StackExchange universe describing the performance limitations of X...) – Frugal Rasin Nov 14 '15 at 0:37
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I'm pretty sure that Nvidia drivers bypass X system almost entirely, in a similar way as Mesa drivers use DRI.

You will be able to measure the X11 overhead (if any) once Nvidia starts to support Wayland in their drivers.

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