The Southern Islands architecture is the first step from AMD into a much larger world (cue The Force references) outlined by the Fusion System Architecture. For today`s purposes though, the Tahiti GPU clearly takes the lead as the fastest gaming option available to consumers. With 2048 stream processors and 3GB of GDDR5 frame buffer the Radeon HD 7970 is the fastest graphics card you can buy that doesn`t depend on multi-GPU technologies."
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips