AMD Athlon II X4 645

"The AMD Athlon II X4 645 type Propus is a Socket AM3 Processor operating at 3100Mhz, has a Front Side Bus speed of 400Mhz and 4x512K L2 Cache. The AMD Athlon II X4 645 supports MMX+, 3DNow+, SSE, SSE2, SSE3, SSE4A, x86-64 and AMD-V."

"The AMD Athlon II X4 645 is a very fast clocked budget Quad Core. The AMD Athlon II X4 645 is reasonably priced and has lots of computing power in multi-thread applications. The AMD Athlon II X4 645 has great compatibility with older chipsets, has low operating temperatures thanks to the Power consumption improvements over the older Athlon II X4 Processors. The AMD Athlon II X4 645 downside is the lack of L3 Cache which might be noticeable in some applications. Another downside is the Gaming performance which although superior other Athlon II Processors isn't in the same league as the Phenom II Processors which are more expensive. Let's not finish on the downsides, so the positives with the AMD Athlon II X4 645 are the budget price, fast clocked cores, good power consumption, backward compatibility to AMD2+ and overall very good gaming performance. Ultimate Hardware recommends the AMD Athlon II X4 645 highly because it offers great price and amazing performance."