Intel Xeon E5 2637 v2 's Advantages
Released 1 years and 4 months late
Higher base frequency (3.5GHz vs 2.6GHz)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E5 4650L 's Advantages
Larger L3 cache size (20MB vs 10MB)
Lower TDP (115W vs 130W)