Later released version of X1900 GT with faster memory but slower clocked core. Zaatharen's card: Sapphire Radeon X1900 GTSapphire Radeon X1900 GT Sapphire Radeon X1900 GTSapphire Radeon X1900 GT Sapphire Radeon X1900 GTSapphire Radeon X1900 GT Sapphire Radeon X1900 GTSapphire Radeon X1900 GT R580 GPUR580 GPU GPUZGPUZ