Best Data Radeon HD 4670. Graphics processor: Radeon HD 4670, Maximum resolution: 2560 x 1600 pixels, Graphics processor family: ATI. Graphic adapter memory: 1024 MB, Graphics adapter memory type: DDR3-SDRAM, Memory bus: 128 bit. Interface type: PCI Express x16. DirectX version: 10.1, OpenGL version: 2.0, HDMI version: 1.2. Power consumption (typical): 59 W