D300 crossfire benchmarks?

Discussion in 'Mac Pro' started by branana, Jan 7, 2014.

  1. branana macrumors member

    Jan 15, 2006
    Are there published benchmarks for these D300s crossfire benchmarks in Windows out there? I'm wonder if 2x D300s perform similarly or better than higher end single cards in games such as Battlefield 4.
  2. any-key macrumors member

    Sep 12, 2012
    I didn't see any benchmarks on Windows yet.

    But BF4 seems to be very buggy to unplayable when it comes to dual GPU support. Lots of people seem to disable the their second GPU in order to play.

    I am playing BF4 on a 21.5 inch iMac (late 2013) with a 750M. It runs quite well almost everything set to high on the native res of the iMac.
  3. Quash macrumors regular

    Sep 27, 2007
    Should be around 7970m in crossfire.
    Same chips, same clock speeds, same memory bandwith and mount of memory.
  4. dermike macrumors regular

    Sep 19, 2013
    Heard there's an update coming with better support for AMD hardware.
  5. branana thread starter macrumors member

    Jan 15, 2006
  6. Luba macrumors 65816


    Apr 22, 2009
    If D300 is like 7970m, then D300 is pretty good according to Tom's Hardware Hierarchy Chart. It's 3 steps below the 7970 Ghz Ed. I read somewhere on here that the 7970 is like the D700. I wonder if the 7970 = 7970 Ghz Ed, same card?

    According to the chart 7970 = 2x 4870, thus 2 D300s would like 4 4870s. I have the 4870 right now in my 4,1

  7. Quash macrumors regular

    Sep 27, 2007
    D300 = 7970M hardware wise. Clock speed is the same, same type of core. Amount of memory and bus size is the same. Memory clocks are actually slightly better on D300s. So they should deliver around the same performance unless the driver messes things up.

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