will a ATI5870 work in a Mac Pro 1,1?

Discussion in 'Mac Pro' started by ticotoo, May 17, 2013.

  1. macrumors member

    Jul 8, 2010
    Do I need to flash a Mac Pro 1,1 to get a ATI5870 to work?
  2. macrumors 6502

    Feb 27, 2013
    It should work, just make sure you are running Lion, although Snow Leopard might have the drivers also, I'm not sure.
  3. macrumors 6502a


    Dec 25, 2011
    Belgrade, Serbia
  4. macrumors 603

    Apr 15, 2004
    It will work, but I've previously seen that on a 1,1 the performance improvement over a 5770 is very small, unless that has changed.
  5. thread starter macrumors member

    Jul 8, 2010
    replacing a NVIDIA 7300 GT 256 mb.

    No its replacing a NVIDIA 7300 GT 256 mb. in a 1,1. I just got a EVGA GeForce GTX 680 for my 5,1:):):)
  6. macrumors regular

    Aug 23, 2011
    Yea the difference is huge, when I had my 1,1 It had a 7300 gt and was running a 30" and a second 1080P display and then when I got the 5,1 with the 5770 the difference was amazing, can't wait till I out a GTX 670 tho :)
  7. macrumors 603

    Apr 15, 2004
    Ah, ok. I was thinking if you were buying it, it might be worth it to save the money and get a 5770, but if you've already got one...
  8. macrumors 68040


    Dec 7, 2009
    There's night and day performance difference between these 2 even in 1,1.
    But this is strictly app dependent. I've used number of different GPUs with my 1,1 and it's always like that. CPU limited ones will never show an improvement.

    Let me quote wise words from another thread:

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