ATI has an answer for Nvidia's 6200 Turbo cache marchitecture. ATI went public with its architecture where it can address system memory and use it for a graphics card, but so far it hasn't launched a card supporting it.
ATI calls it "Hyper Memory" and its X300 chips are capable of supporting this marchitecture. It's not so big a deal for the noisy high end market, but all OEMs and system integrators just adore it. It gives them the power and right to say that a graphic card actually has 128 MB of memory, even if the real graphic card has only 16 MB or real dedicated graphic RAM.
Read the complete story . (The Inquirer)