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Thread: 15-Way Open vs. Closed Source NVIDIA/AMD Linux GPU Comparison

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  1. #1
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    Default 15-Way Open vs. Closed Source NVIDIA/AMD Linux GPU Comparison

    Phoronix: 15-Way Open vs. Closed Source NVIDIA/AMD Linux GPU Comparison

    Combining the work of the recent Nouveau vs. NVIDIA Linux testing and Radeon Gallium3D vs. AMD Catalyst testing articles, here is a 15-way comparison of both the open-source and closed-source AMD and NVIDIA Linux graphics drivers when testing a mixture of NVIDIA GeForce and AMD Radeon graphics cards on Ubuntu Linux 13.04.

    http://www.phoronix.com/vr.php?view=18688

  2. #2
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    Default Sad :(

    Fuck you nVidia!
    Intel, please make better hardware, I can't wait to leave this assholes behind.

  3. #3
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    Quote Originally Posted by Danny3 View Post
    Fuck you nVidia!
    LOL, was the first thing that came into my mind to post here :/

  4. #4
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    Open source AMD drivers are in pretty good shape for desktop users. Fast enough for many 3D apps and almost support OpenGL 3.3. What I really miss is fully working OpenCL support.

  5. #5
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    This is an interesting comparison. I think in some cases the benchmark might have been CPU or driver limited. Especially with the AMD proprietary driver when results of the higher end cards were very close at several hundred FPS.

    Testing at higher resolution (e.g. dual or even triple 1920x1080 monitors) would put more emphasis on GPU performance and maybe show a greater difference between the cards.

    Also I would have liked to see llvmpipe in this comparison, as the 8350's 8 cores could give results close to the low-end cards.

  6. #6
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    Quote Originally Posted by chithanh View Post
    This is an interesting comparison. I think in some cases the benchmark might have been CPU or driver limited. Especially with the AMD proprietary driver when results of the higher end cards were very close at several hundred FPS.
    To see how pointless and hopelessly slow nouveau is, let's pick an example in its favour, say 9800 GTX vs Radeon 6950.
    The Radeon card is about twice as powerful (http://www.hwcompare.com/6180/geforc...adeon-hd-6950/).

    OA 0.8.5 1920x1080:
    fglrx: 390 fps
    nvblob: 525 fps ... clearly half as fast
    r600g: 250 fps
    nouveau: 300 fps ... right, nouveau is unusable garbage if it's only 20% faster on a card that's half as powerful

    or Reaction Quake 3:
    r600g 76 fps, nouveau 168 fps

    or xonotic:
    235/120 vs 240/112 fps, roughly equal

    So stop bashing nouveau for performance. Yes it's buggy and reclocking doesn't work yet by default but we're getting there.
    Ok I hope I didn't miss anything.

  7. #7
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    Am I missing something? Except in Warsow and Reaction Quake an old 8800GT literally blows my HD6870 out of the water?
    Is there something I don't get or is AMD's closed source driver really that bad?

  8. #8

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    Quote Originally Posted by Vim_User View Post
    Am I missing something? Except in Warsow and Reaction Quake an old 8800GT literally blows my HD6870 out of the water?
    Is there something I don't get or is AMD's closed source driver really that bad?
    You missed that the game is based on ancient engines that are CPU limited, not GPU limited. when your system is kicking out frames faster then your screen can display them you are best off turning on Vsync since you are never going to see those frames save for maybe a small piece of them in a partial screen chop.

  9. #9
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    Quote Originally Posted by Kivada View Post
    You missed that the game is based on ancient engines that are CPU limited, not GPU limited.
    Same CPU though. So you may conclude that the driver code itself, while it may configure the GPU well, isn't very fast.

  10. #10
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    Quote Originally Posted by Kivada View Post
    You missed that the game is based on ancient engines that are CPU limited, not GPU limited. when your system is kicking out frames faster then your screen can display them you are best off turning on Vsync since you are never going to see those frames save for maybe a small piece of them in a partial screen chop.
    I know how CPU limited benchmarks look like, all cards will perform on the same level when you hit the limit. This isn't at all the case here, here we see an old videocard that mobs the floor with a card that should be about twice as fast (if not more) and is so on Windows.

    So if this is really telling us something about AMD's driver quality then I also can only say: Fuck you AMD!

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