MSI RADEON R7 260X - "MSI Radeon R7 260X is Bonaire clocked at 1175Mhz with 2GB GDDR5 clocked at 6500mhz. MSI Radeon R7 260X has a memory interface of 128bits with 896 shader processors with support for directx 11.2. XFX Radeon HD 7790 is Bonaire clocked at 1075Mhz with 1GB GDDR5 clocked at 6000Mhz. XFX Radeon HD 7790 has a memory interface of 128bits with 896 shader processors with support for directx 11.1. benchmark software we are using for testing MSI Radeon R7 260X and XFX Radeon HD 7790 is as follows:- Battlefield 3, Bioshock Infinite, Dirt 3, Farcry 3, Hitman Absolution, Max Payne 3, Resident Evil 6 and Tomb Raider 3. CPU is AMD FX 8350 Vishera with Gigabyte GA78LMT S2P Motherboard using Windows 7 Operating System."