GTX 580 3GB SLI/Surround Poor Performance

Discussion in 'Videocards - NVIDIA GeForce' started by nakquada, Mar 2, 2012.

  1. nakquada

    nakquada Master Guru

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    GPU:
    Gigabyte GTX 1080 FE
    Hi,

    Hopefully somebody can assist me with my problem. Or, perhaps I don't have a problem.

    Basically, my system is as follows:

    Asus P8Z68-V Pro mobo
    Core i7 2600K @ 4.2Ghz,
    2 x GTX 580 3GB in SLI
    8GB Corsair Dominator GT 2000Mhz RAM
    1000W Antec PSU
    X-25M SSD


    It has a fresh install of Win7 with 295.73 driver. Everything runs fine, but I'm curious as to whether anyone gets more performance from there GTX 580s in Surround mode, driving 3 24" SyncMaster 2443's at 6000x1200 resolution.

    In Battlefield 3, at that res, with Deferred AA off, FXAA (tried both in-game and InjectFXAA/SMAA), and HBAO off (SSAO on), everything else on Ultra and blur off, I get roughly 40fps - 55fps average, with peaks to 80fps for a moment. But mostly stays around the mid-40s.

    Surely, 2 GTX 580 3GBs would spit out the game out at 60fps, despite the high resolution. Anyone got any ideas?

    Regards and thanks in advance
     
  2. Sever

    Sever Ancient Guru

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    one gtx580 would be sufficient for 60fps on one display (1080P) at max settings. what makes you think 2 580s would be enough for 3? with 2x 580s, 40-55fps is about right for max settings. frostbite 2 is a stressful game engine.
     
  3. nakquada

    nakquada Master Guru

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    Thanks for reply,
    Figured the same thing, was just wondering all the same. Good to know that I am getting optimal performance then!
     
  4. ---TK---

    ---TK--- Ancient Guru

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    overclock your cpu higher than 4.2 overclock your gpu more. if your still not satisfied you can go tri sli 580 with a different m/b or upgrade the 580`s to kepler
     

  5. nakquada

    nakquada Master Guru

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    Hi TK4ever,

    Do you think I'd be able to squeeze another 5-10 fps from a GPU overclock. I can get my CPU to 4.8/5Ghz no problem, but it makes no difference to performance.

    Tri SLI is an option, but I will have to consider buying an X79 + LGA2011 board with 16x 8x 8x lanes, will also have to upgrade PSU to 1200w+ aswell.
    Hmm..
     
  6. lehtv

    lehtv Ancient Guru

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    Impossible to tell, all you can do is try. Monitor temperatures and don't increase the voltages too wildly. Stress test with OCCT. Too bad the 800D doesn't support side fans for additional GPU cooling.
     
  7. ---TK---

    ---TK--- Ancient Guru

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    you should get an increase with gpu overclocking. not really sure of how much. what clocks do do run your 580`s at? higher gpu clocks should benefit from higher cpu clocks.
     
  8. nakquada

    nakquada Master Guru

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    Will try later.
    I have modified my 800D side door. It now has 2 x 120mm fans on it.

    My 580s are currently at stock speeds. Will try an overclock later tonight and report.
     
  9. nakquada

    nakquada Master Guru

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    GPU:
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    I've been playing BF3 for about 3 hours now.
    Over clocked my GPUs to the following: Core: 850, Shader: 1700, Memory: 2030.

    Getting 50-80fps now, mostly 60 solid.
    Temps never go over 72c on either card, and the fan is quiet enough.

    Happy days! :)
     
  10. ---TK---

    ---TK--- Ancient Guru

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    try your ram at 2100 or 2200. you can probably get a little more out of the core as well might need voltage increase
     

  11. 3D VISUAL

    3D VISUAL New Member

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    How many fps does Battlefield 3 support anyway?
     
  12. bouf0010

    bouf0010 Master Guru

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    GPU:
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    as much as your pc can produce.
     

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