"Sapphire Radeon HD 7850 review also featuring Sapphire Radeon HD 7770. Sapphire Radeon HD 7850 uses the Pitcairn GPU at 860Mhz and has 2GB GDDR5 memory running at 4800Mhz. Sapphire Radeon HD 7850 has a 256it Memory Interface, 1024 Shader Processors and DirectX 11.1. We will be benchmarking Sapphire Radeon HD 7850 to Sapphire Radeon HD 7770 using Aliens Vs Predator, Battlefield 3, Crysis 2, Dirt 3, Hard Reset, Just Cause 2, Left for Dead 2 and Lost Planet 2."
"The new Sapphire Radeon HD 7850 series of graphics cards is based on the third family of GPU's from AMD built in its new 28nm process and featuring the highly acclaimed GCN graphics processing architecture. Sapphire Radeon HD 7850 GPU has an optimised internal structure sharing many of the features of the high performance HD 7900 series already released but with fewer Stream processors and a new high speed 256-bit memory interface to the latest DDR5 memory types. It is aimed at mainstream gamers looking for excellent performance."