Redefine HD Gaming
With more than twice the processing power of previous generation AMD discrete graphics cards, ATI Radeon HD 4800 Series graphics cards deliver a cinematic gaming experience and unprecedented performance.
Key Features

» 956 million transistors on 55nm fabrication process
» PCI Express® 2.0 x16 bus interface
» 256-bit DDR2 memory interface
» MicrosoftR DirectX® 10.1 support

• Dual channel interconnect is not required for CrossFireX, and may not be included in all product configurations.
• Some custom resolutions require user configuration.
• Playing HDCP content requires additional HDCP ready components, including but not limited to an HDCP ready monitor, Blu-ray or HD DVD disc drive, multimedia application and computer operating system.
• Subject to digital rights management limitations; maximum supported audio stream bandwidth is 6.144 Mbps.
• ATI PowerPlay TM technology consists of numerous power saving features. Not all features may be available in all ATI Radeon HD 4800 Series graphics cards.
• ATI AvivoTM HD is a technology platform that includes a broad set of capabilities offered by certain ATI RadeonTM HD GPUs. Not all products have all features and full enablement of some ATI AvivoTM HD capabilities may require complementary products.