Intel Xeon E5 2637 v2 's Advantages
Released 6 years and 10 months late
Higher base frequency (3.5GHz vs 2.333GHz)
More modern manufacturing process (22nm vs 65nm)
Xeon E5345 's Advantages
Higher specification of memory (DDR3
Depends on motherboard vs DDR3)
Lower TDP (80W vs 130W)