apple radeon 5870 overclock

Discussion in 'Mac Pro' started by venturi, Feb 21, 2011.

  1. venturi macrumors newbie

    Jun 14, 2007
    How can I overclock a apple provided Radeon 5870?
    Core clock / mem clock?

    Can it be done in the card bios? What utility can edit the bios?


  2. derbothaus macrumors 601


    Jul 17, 2010
    Probably no need to do this in OS X as there appears to be a performance curve on OpenGL from Apple. 5770 scores very close to 5870 so more juice will not really help. I use the Catalyst suite in Win 7 and only go as far as 900MHz core and 1280Mhz Mem. That nets me 1000 more gpu points in Vantage but generally not worth it for actual 3-4 FPS you get. So overclock in Win. Pointless on Mac. IMO anyway.
  3. Ace134blue macrumors 6502a


    Sep 17, 2009
    What he said. Zero tangible difference in OSX. Dont even bother

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