Techgage.com posted a review on the AMD Athlon II X4 635 & Phenom II X2 555 Black Edition

AMD last month launched five processor models, three Athlon II's and two Phenom II's, and we're taking a look at one of each. The Phenom II is a 3.20GHz dual-core, and a Black Edition dual-core at that, while the Athlon II is the ultra-affordable 2.9GHz quad-core. Let's see how both stack up to the rest of AMD's line-up, and the competition.

AMD Athlon II X4 635 & Phenom II X2 555 Black Edition Review