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AMD HD 6990: The Hellbeast

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  • 08-03-2011 3:24pm
    #1
    Overheal
    Registered Users Posts: 82,405 ✭✭✭✭


    http://gizmodo.com/#!5779478/hellbeast-amd-radeon-hd-6990-performance-preview

    The Radeon HD 6990 combines twin Cayman GPUs, 4GB of GDDR5 and a new cooling system.

    The heat sink fins each cover a separate vapor chamber located above each GPU. The copper head sink is thermally linked via phase change thermal interface materials.

    the HD 6990 ships with two 8-pin PCI Express power connectors. Also built into the card is a tiny physical dip switch that allows you to overclock and overvolt the core clock with a single flick, to 880MHz. Flicking that switch turns the 6990 into full, screaming dual HD 6970s, but at a hefty power cost. At full throttle, the overclocked HD 5990 used 528W-more power than we've ever seen from a single graphics card. The card itself, when overclocked, consumes up to 450W, which requires serious voltage regulation.

    http://www.maximumpc.com/article/features/amd_radeon_hd_6990_performance_preview


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    #2
    lmimmfn
    Registered Users Posts: 3,553 ✭✭✭lmimmfn


    they have a review of these in crossfire( really quadfire as its a dual card ) on Guru3d - http://www.guru3d.com/article/his-radeon-hd-6990-crossfire-review/

    Completely bonkers but would be great to play with, and they scale really well too, surpised to see 2 of these outperform 3x580's( i know its essentially 4 cards but just surprised with the scaling )


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