HKEPC reports that AMD is working on a second dual-GPU graphics card in its DirectX 11 line-up. This new model is to be positioned below the HD5970 and will also be equipped with two Cypress chips. The difference is that each core will not feature 1600 but only 1440 active shader units, making it look more like a double HD5850 solution. The clock frequencies of this HD5950 card will be lower than those of the HD5970, otherwise the performance gap between the two would be too small.
Heat production can also be an issue when the original HD5850 clock frequencies are retained; the high-end HD5970 already uses specially selected GPUs which will run at a lower voltage. The Radeon HD5950 is to be equipped with two times 1GB of GDDR5 memory. It's still unclear how fast the HD5950 will be in comparison to an HD5970 or Crossfire HD5850 configuration, given the uncertainties in regards to the final clock frequencies.
Because AMD is already troubled by the huge demand, it seems unlikely that a second dual-GPU card will be released soon. HKEPC expects that the new model will new be introduced until early 2010.
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