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  1. #11
    Friend of SETI.USA
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    Re: HD 5970 Clusterfrak

    Quote Originally Posted by Bryan View Post
    I've been running 2 5970s for almost 2 years. I set the Vcore voltage at 1.13V and they are perfectly stable and content at 850 MHz on either Moo or MW. You can clock higher on Collatz of course.

    The last time I sent one of them in for a failed fan they returned a 6990 ... no comparison between the 2 cards. They learned a lot from from the 5970 and corrected the heat problems on the 6990! One of the GPUs in the 6990 running at 880 MHz outperforms a 5870 clocked at 950.
    Yeah it's gotta be the User, what would any of us know about Video Cards ...

    EDIT: For the Record the closer I get to 850 with the 1 Card the slower it run's, 800 seems to be about the max time reduction for it & anything over that just adds time to the Wu's. Not over heating that I can see & have tried up to 1.75 Volts with the card but only running 1.25 right now @ 850 & the card is 4-5 mins slower than the other Card running @ 850 & 1.0 Volts ... Both Box's have the same Motherboard, CPU & the same amount & Type of Memory, PSU's are the same too ...
    Last edited by STE\/E; 12-05-11 at 03:47 PM.

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