AMD started off Wednesday by setting a new relative ground floor for performance and hoping to beat NVIDIA's GeForce 9500 cards. The Radeon HD 4600 series is claimed to outperform both the 9500 GT and AMD's own earlier Radeon HD 3650 by including all the hardware optimizations of the 4800 series and still keeping 320 stream (visual effects) processors. It's also one of the least expensive graphi
