AMD's graphics label ATI tonight claimed to set a new benchmark for graphics with the Radeon HD 5800 series. The new video hardware is theoretically twice as fast as the 4870 and has an extremely large set of 1,600 stream (visual effect) cores -- enough to calculate 2.72 teraflops per second. Besides handling twice as many rendering tasks at once, the 5800 is also running a sixth-generation engine that shades and tessellates geometry more quickly, more GDDR5 memory bandwidth (150Gbps), and much improved techniques for antialiasing and aniso
