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    Worse performance with Crossfire enabled???

    Discussion in 'Alienware 17 and M17x' started by Aranthira, Oct 27, 2011.

  1. Aranthira

    Aranthira Notebook Consultant

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    Hi,

    I play Lotro(lord of the rings online). I have an R2 with 5870's in CF. For the longest time now i noticed that my right card just blows cold air. So i set about determining if CF was even working in my game.

    It turned out that it wasnt. So i put some settings into the userpreferences.ini to Force CF.

    Now the second card engages and blows hot air and the performance of the game gets really choppy whereas with 1 card its totally fine, even though the in game fps counter says i'm getting more fps.

    Ive got 11.8 and cap installed.

    When rolling back to the 9/10 dell drivers the game runs smoothly with both cards engaged. How can the dell drivers work better than the latest(or nearly latest amd drivers)?

    any ideas whats up with the cards/driver?
     
    Aranthira, Oct 27, 2011
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  2. Aranthira

    Aranthira Notebook Consultant

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    nevermind, turned out to be DX11 water setting. Turning it off doubled my fps....
     
    Aranthira, Oct 27, 2011
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