ASUS Extreme N6800/TD, GDDR, 256 bit, 600 MHz, 2048 x 1536 pixels ASUS Extreme N6800/TD. Processor frequency: 350 MHz. Graphics card memory type: GDDR, Memory bus: 256 bit, Memory clock speed: 600 MHz. Maximum resolution: 2048 x 1536 pixels. DirectX version: 9.0