ASUS EAX1800XL/2DHTV, GDDR3, 256 bit, 1000 MHz, 2048 x 1536 pixels ASUS EAX1800XL/2DHTV. Processor frequency: 500 MHz. Graphics card memory type: GDDR3, Memory bus: 256 bit, Memory clock speed: 1000 MHz. Maximum resolution: 2048 x 1536 pixels. DirectX version: 9.0, OpenGL version: 2.0, Dual Link DVI