AMD look to keep PC gamers happy with its new graphics card, the HD Radeon 6990M. This will be the last version of the 6990 which is already on the market. It offers more polygon-pounding power than its predecessors, resulting in a high and steady frame rate for high demanding games. It comes with 2GB of GDDR5 graphics memory and 1,120 stream processors, the 6990M sits proudly at the top of AMD’s range of mobile graphics chips. One problem is, its only for laptops.