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[namelezz <1029085@xxxxxxxxxxxxxxxxxx>]

No difference. I have tested it with two games, Minecraft and Trine 2,
because you can see the frames per second ingame. You can use them too
if you have a Nvidia GPU. When I start Trine 2 with Compiz (Unity or
Fallback with Compiz), I have ca. 40fps but it feels more like 15-20.
When I start the game with the same settings in Gnome-Shell or Fallback
with no effects (Mutter and Metacity)  I have the same 40fps as with
Compiz but the game runs fine, no stuttering.

With more fps there is still stuttering but you can't really see it. I
think, when a game runs with for example 60fps you don't really see
stuttering although it's not completely smooth, it feels like 30fps (I
can observe it with Minecraft sometimes because the frames per second
are not stable there). When a game runs with 40fps, like Trine 2, it
feels more like 15-20fps as I already mentioned. So the problem might be
that games run like with 1/2 of the real fps.

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https://bugs.launchpad.net/bugs/1029085

Title:
  Stuttering in games with high fps and Nvidia

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