ASUS RADEON HD 7770 REVIEW - "The Asus Radeon HD 7770 review also features the Powercolor Radeon HD 6790. The Asus Radeon HD 7770 uses the Capeverde GPU at 1000Mhz and has 1GB GDDR5 memory running at 4500Mhz. The Asus Radeon HD 7770 has a 128Bit Memory Interface, 640 Shader Processors and DirectX 11.1. The Powercolor Radeon HD 6790 uses the Barts GPU at 840Mhz and has 1GB GDDR5 memory running at 4200Mhz. The Powercolor Radeon HD 6790 has a 256Bit Memory Interface, 800 Shader Processors and DirectX 11. We will be testing the Asus Radeon HD 7770 and Powercolor Radeon HD 6790 using Battlefield 3, Crysis 2, Diablo 3, Dragon Age II, Max Payne 3, Sleeping Dogs and Elder Scrolls V Skyrim."

XFX RADEON HD 7790 - "The XFX Radeon HD 7790 is Bonaire clocked at 1075Mhz with 1GB GDDR5 clocked at 6000mhz. The XFX Radeon HD 7790 has a memory interface of 128bits with 896 shader processors with support for directx 11.1. Benchmarks software:- Battlefield 3, Borderlands 2, Crysis 3, Farcry 3, Hitman Absolution and Tomb Raider 3. The processor we will be using is the AMD FX 8350 Vishera with Gigabyte GA78LMT S2P using Windows 7 SP1."