Intel Xeon E5 4620 's Advantages
Larger L3 cache size (16MB vs 10MB)
Intel Xeon E5 1607 v2 's Advantages
Released 1 years and 4 months late
Higher specification of memory (1600 vs 3)
Higher base frequency (3GHz vs 2.2GHz)
More modern manufacturing process (22nm vs 32nm)