MSI RADEON R7 250 - "MSI Radeon R7 250 uses Oland GPU at 1100Mhz and 1GB GDDR5 memory at 4600Mhz. MSI Radeon R7 250 has 128Bit Memory Interface, 384 Shaders and DirectX 11.2. MSI Radeon R7 250 is reviewed against Sapphire Radeon R7 250. Sapphire Radeon R7 250 uses Oland GPU at 1050Mhz and 1GB GDDR5 memory at 4600Mhz. Sapphire Radeon R7 250 has 128Bit Memory Interface, 384 Shaders and DirectX 11.2. Software used was 3dmark 11, Computemark, Stone Giant, Tessmark, AVP, Final Fantasy XIV and Resident Evil 6 Benchmarked with Windows 7 and AMD FX 4300."

XFX RADEON R9 270X - "XFX Radeon R9 270x is Pitcairn clocked at 1100Mhz with 2GB GDDR5 clocked at 5800mhz. XFX Radeon R9 270x has a memory interface of 256bits with 1280 shader processors with support for directx 11.2 with TDP of 180. Inno3D GeForce GTX 660 is GK106 clocked at 1059Mhz with 2GB GDDR5 clocked at 6212Mhz. Inno3D GeForce GTX 660 has a memory interface of 192bits with 1344 shader processors with support for directx 11.1 with TDP of 150. benchmark software we are using for testing XFX Radeon R9 270x and Inno3D GeForce GTX 660 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."

POWERCOLOR RADEON R9 285 Powercolor Radeon R9 285 is Tonga clocked at 945Mhz with 2GB GDDR5 clocked at 5500Mhz. Powercolor Radeon R9 285 has memory interface of 256Bits with 1792 shaders with directx 11.2. Sapphire Radeon R9 285 is Tonga clocked at 918Mhz with 2GB GDDR5 clocked at 5500Mhz. Sapphire Radeon R9 285 has memory interface of 256Bits with 1792 shaders with directx 11.2. Benchmarks are Battlefield 4, Bioshock Infinite, Dirt 3, Crysis 3, Metro Last Light, Sleeping Dogs, Thief and Tomb Raider 3. AMD FX 8370E with Gigabyte GA78LMT S2P using Windows 7."

SAPPHIRE RADEON R9 285 Sapphire Radeon R9 285 is Tonga clocked at 918Mhz with 2GB GDDR5 clocked at 5500Mhz. Sapphire Radeon R9 285 has memory interface of 256Bits with 1792 shaders with directx 11.2. Sapphire Radeon R9 270x is Pitcairn clocked at 1120Mhz with 2GB GDDR5 clocked at 5600Mhz. Sapphire Radeon R9 270x has memory interface of 256Bits with 1280 shaders with support for directx 11.2. Benchmarks are Battlefield 4, Bioshock Infinite, Dirt 3, Crysis 3, Metro Last Light, Sleeping Dogs, Thief and Tomb Raider 3. AMD FX 8370E with Gigabyte GA78LMT S2P using Windows 7."