HIS HD6990 Dual CrossfireX Review

To test power consumption today we are using a Keithley Integra unit and we measure power consumption from the VGA card inputs, not the system wide drain. The best way to get maximum load results is by using Furmark, and even though it is not indicative of a real world situation it shows the limits the card can theoretically demand. The ‘gaming’ results are measured when playing Crysis Warhead – which is a more valuable result to take from this.

Be prepared to dip deep into your wallet next quarter, if you plan on gaming regularly with two of these cards, we recorded well in excess of 800 watts when fully loaded, our highest ever wattage consumption.

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