A Turkish website posted a ton of information on AMD's upcoming dual-GPU Radeon HD 6990 graphics, along with a bevy of official slides, or at least really good Photoshops (not likely). Code named Antilles, the 6990 is slated to launch March 8 and will take its position as AMD's flagship videocard, Donanimhaber.com says. That puts the launch nearly a week ahead of Nvidia's dual-GPU GeForce GTX 590, running contrary to previous reports that AMD would wait until after Nvidia outed its card.
According to Donanimhaber, the HD 6990 will ship with:
A powerhouse in the making, the HD 6990 sports two Cayman XT cores underneath the hood. Keeping things cool, or as cool as can be expected, is a heatsink with full board heat dissipation, phase change TIM, and dual vapor chambers, with hot air expelled out of the case.
Some of the slides also point to an overclocked version of the 6990. This, the leaked slides say, will offer 67 percent better performance than Nvidia's GTX 580. It will do this by cranking the GPU clockspeed up to 880MHz.