AMD/ATI has released two new high-end graphics chips recently, Radeon HD 4870 and Radeon HD 4850, known by the codenames RV770 XT and RV770 PRO, respectively. As you can guess by the numbers, HD 4850 provides a lower performance compared to HD 4870. In this review we will benchmark HD 4850 from Sapphire and compare it to its main competitors from nVidia. Is this video card a good buy? Check it out.

http://www.hardwaresecrets.com/article/576