CLUB3D X800RXmax 256MB. Graphics processor: Radeon X800 GTO, Maximum resolution: 2048 x 1536 pixels, Processor clock speed: 400 MHz. Graphic adapter memory: 256 MB, Graphics adapter memory type: GDDR3, Memory bus: 256 bit. Interface type: PCI Express. DirectX version: 9.0, Shader model version: 3.0, OpenGL version: 2.0. Minimum processor: Pentium/ Athlon