AMD PHENOM II X4 920 REVIEW BY ULTIMATE HARDWARE - "AMD Phenom II X4 920 review also featuring the AMD Athlon II X2 240. The AMD Phenom II X4 920 type Deneb is a Socket AM2+ Processor operating at 2800Mhz while the AMD Athlon II X2 240 type Regor is a Socket AM2+ Processor also operating at 2800Mhz. It's going to be an interesting fight between AMD Phenom II and AMD Athlon II, which will win"