Intel Xeon E5620 's Advantages
Larger L3 cache size (12MB vs 10MB)
Intel Xeon E5 1410 v2 's Advantages
Released 3 years and 10 months late
Higher specification of memory (1333 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.8GHz vs 2.4GHz)
More modern manufacturing process (22nm vs 32nm)