POWERCOLOR RADEON HD 6850 - "Powercolor Radeon HD 6850 uses Barts GPU at 775Mhz and has 1GB GDDR5 memory running at 4000Mhz. The Powercolor Radeon HD 6850 has 256Bit Memory Interface, 960 Shaders and DirectX 11. The Powercolor Radeon HD 6850 is reviewed against the Powercolor Radeon HD 5770. The Powercolor Radeon HD 5770 uses Juniper GPU at 850Mhz and has 1GB GDDR5 memory running at 4800Mhz. The Powercolor Radeon HD 5770 has a 128Bit Memory Interface, 800 Shaders and DirectX 11. Software used was 3dmark 2006, 3dmark Vantage, 3dmark 11, Computemark, Stone Giant, Tessmark, AVP, Final Fantasy XIV and Resident Evil 6."