Intel Xeon E5 2650 v2 's Advantages
Released 4 years and 6 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (22nm vs 45nm)
Xeon X5570 's Advantages
Higher specification of memory (1333 vs 3)
Higher base frequency (2.933GHz vs 2.6GHz)