Intel Xeon E5 2650 v2 's Advantages
Released 3 years and 6 months late
Newer PCIe version (3 vs 2)
Higher base frequency (2.6GHz vs 1.866GHz)
Larger L3 cache size (20MB vs 12MB)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (95W vs 105W)
Xeon E7530 's Advantages
Higher specification of memory (1333 vs 3)