MSI RADEON R9 390 MSI Radeon R9 390 is clocked at 1060Mhz with 8GB GDDR5 clocked at 6100mhz. MSI Radeon R9 390 has memory interface of 512bits with 2560 shaders with directx 11.2. Club3D Radeon R9 285 is Clocked at 945Mhz with 2GB GDDR5 clocked at 5500mhz. Club3D Radeon R9 285 has memory interface of 256bits with 1792 shaders with directx 11.2. Software used was:- Battlefield Hardline, Crysis 3, Dying Light, Metro Radux, Sleeping Dogs, Watch Dogs, Witcher 3 and Final Result. CPU used was AMD FX 8350 with Gigabyte GA78LMT S2P Motherboard using Windows 8 Operating System."