Having both Nvidia and AMD released their graphics card ready to go, but they are waiting on Nvidia to make the first move so they don't have the chance to make last-minute adjustments to tweak the GTX 590's performance. AMD's dual-GPU Radeon made a brief public appearance last month and is expected to integrate 3840 stream processors and have 4GB of GDDR5 memory clocked at 4.80GHz.