Not only is XFX's latest HD7970 a Gigahertz Edition it also bears their proprietary Double Dissipation cooler.  This not only provides efficient cooling but also gives the card top a very distinct look to go with the black PCB on the back.  The card runs at the stock speeds of a 7970 GHz edition, though with the help of AMD Overdrive [H]ard|OCP hit 1210MHz on the GPU and 6.86GHz on the memory.  In the end though that was not enough to win a recommendation from [H] as there is not much difference in the performance between this card and a customized GTX670 … which happens to average $30 less in price.

"With continuous AMD price drops the XFX Double D HD 7970 GHz Edition video card has dropped into line with many of NVIDIA's GeForce GTX 670 cards. Find out if the XFX's Double Dissipation technology will excel this video cards overclocking potential when we put it head to head with GeForce GTX 680 and overclocked GeForce GTX 670."

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