The Sapphire Radeon HD 6770 uses Juniper GPU at 850Mhz and has 1GB GDDR5 memory running at 4800Mhz. Sapphire Radeon HD 6770 has 128Bit Memory Interface, 800 Shader Processors and DirectX 11. Sapphire Radeon HD 6770 is compared to the XFX Radeon HD 6790. Games used for testing are AVP, Bulletstorm, Crysis 2, Hawk 2, Just Cause 2 and Metro 2033.



Link: Ultimate Hardware