AMD 6870 not performing very well...

Discussion in 'Mac Pro' started by Kingsly, Jun 25, 2012.

  1. Kingsly, Jun 25, 2012
    Last edited: Jun 25, 2012

    Kingsly macrumors 68040


    Cinebench CPU scored about middle of the range compared to the newest MP's, which I expected. What I didn't expect was a mere 15fps on the graphics benchmark.
    Stock XFX 6870 1gb, no hacks to either the card or my system.

    Am I doing something wrong? I'd have expected it to score significantly higher and perform better (both cinebench and real world have left me wanting) over my old 8800GT. :(


    Open GL test attached below. Isn't scoring much different than the old 8800GT. Please help? FCP is running incredibly slow and I owe some projects this week!

    Attached Files:

  2. karsten macrumors 6502a


    Sep 3, 2010
    is your video card fan ramping up with temp? mine never did and it got hot enough to shut the system down on several occasions. i had to put a 3rd party cooler on it. just an idea.
  3. Inconsequential macrumors 68000

    Sep 12, 2007
    Your card has a problem with it then.

    The GPUs BIOS has a fan profile that ensures that it ramps up the fan. OS X has NO CONTROL OVER THIS.

    My flashed 6870 (just tested) averages ~4000 FPS on those tests.

    What happens if you restart?

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