I don't know. Considering route the ATI did with the 6950 and 6970 (cooler with with less power for great performance) I can imagine the 6990 not trying for the performance crown at all.
95% performance of the next nVidia card for 75% of the price? Sounds highly profitable to me.
95% performance of the next nVidia card for 75% of the price? Sounds highly profitable to me.