Sapphire Radeon HD 5870 review also featuring XFX Radeon HD 4890. The Sapphire Radeon HD 5870 has 19% higher memory speed and 800 Extra Processing Shaders compared to the XFX Radeon HD 4890. The Sapphire Radeon HD 5870 is the first video card to use DX11 while the XFX Radeon HD 4890 uses the earlier DX10.1. Sapphire Radeon HD 5870 is a very powerful video card!



Link: Ultimate Hardware