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Thread: R600 Gallium3D Loses To AMD Catalyst Legacy Driver On Windows 8

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  1. #1
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    Default R600 Gallium3D Loses To AMD Catalyst Legacy Driver On Windows 8

    Phoronix: R600 Gallium3D Loses To AMD Catalyst Legacy Driver On Windows 8

    For those ATI/AMD customers with graphics cards of the Radeon HD 2000/3000/4000 generations, they are supported by the "Catalyst Legacy" driver but this older proprietary driver branch is seldom updated for new Linux kernel and X.Org Server releases. Thus, the only real option for those with these older Radeon GPUs is to use the open-source Radeon Gallium3D graphics driver. But how does this driver compare to the still-maintained Catalyst Legacy driver for Windows 8? Here are some benchmarks.

    http://www.phoronix.com/vr.php?view=18964

  2. #2
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    Ouch. Didn't see that one comming. Sad, but lets test it again in a year

  3. #3
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    Its "high end"? r600g maybe wont ever get enough optimizations (backend for radeonSI changed, and will be main focus now), to suprass Catalyst in support for GPUs requiring lots of them.

  4. #4
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    yet again.. MICHAEL... FRAME LATENCY IS IMPORTANT NOT ON AVERAGE, BUT ON THE FREQUENCY OF THE SPIKES, ERGO AN HIGHER FRAME LATENCY AVERAGE WITH WAAAY LESS LATENCY SPIKES IS BETTER THAN LOWER AVERAGE WITH LOTS OF SPIKES

  5. #5
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    And now how does the Windows 8 catalyst compare to the Linux one? They're not exactly the same, and the legacy Catalyst for Linux still exists, even if it requires downgrading the X server.

  6. #6
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    Useless comparison... Apples to oranges...

  7. #7
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    Framerate speed is not the only thing that matters in a graphics driver. In Windows 7, Blender feels much more responsive, and selecting objects takes less than a second, whereas in Linux (with the lastest open source AMD drivers) sometimes it takes more than 5 seconds to select a different object.

  8. #8
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    Quote Originally Posted by TemplarGR View Post
    Useless comparison... Apples to oranges...
    What? No.

    You're comparing different operating systems with different drivers, yes. But that's the point... this is what the end user will see. The open source driver is the default/standard on Linux systems, whereas Catalyst is the only option for Windows. It makes sense to compare whether or not Radeon on Linux can compete with Catalyst on Windows, especially when using "legacy" hardware.

    I'm really happy with Radeon's progress lately. Still too slow for "real" usage, but it's really getting there. I don't even think of FGLRX anymore.

  9. #9
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    Quote Originally Posted by TemplarGR View Post
    Useless comparison... Apples to oranges...
    Fantastic comparison i would say. These are Windows drivers against Linux drivers (after the support abandoning for Radeon 4000 series and below in both platforms that hurt Linux more). Now with Steam i think AMD developers should target the optimization on Radeon opensource drivers especially for the 4000 series and below because those users have no other choice.

    Of course DPM was first priority. Optimization is the second and in my opinion feature parity is the third.

  10. #10
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    Quote Originally Posted by TemplarGR View Post
    Useless comparison... Apples to oranges...
    From my point of view, I think this is useful for showing there's still much to (and that can) be improved in the whole Linux graphics stack.

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