The world of high demanding games widens every day. While the level of realism of games rises at a constant rate, graphics card manufacturers have to keep up with providing the powerful hardware support which can enable users to fully enjoy the game play. Both game developers and graphics solution makers have difficult tasks to fulfill in order to raise the performance bar with each and every new release.
N4G.com : Running Crysis WarHead on 14 Graphics Cards - A GeForce GTX 280 delivered more performance than a Radeon HD 4870 X2