Intel Xeon E5607 's Advantages
Lower TDP (80W vs 95W)
Intel Xeon E5 2450 v2 's Advantages
Released 2 years and 7 months late
Higher base frequency (2.5GHz vs 2.266GHz)
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)