Sapphire Radeon HD 5850 Xtreme uses Cypress GPU at 725Mhz and has 1GB GDDR5 memory running at 4000Mhz. The Sapphire Radeon HD 5850 Xtreme has a 256Bit Memory Interface, 1440 Shader Processors and DirectX 11. The Sapphire Radeon HD 5850 Xtreme faces the Powercolor Radeon HD 5770 which has DX11 and 800 Shader Processors. Software used for testing was 3dmark 2006, 3dmark Vantage, 3dmark 11, Crysis 2, Hawk, Hawk 2 and Lost Planet 2.



Link: UltimateHardware