Intel Xeon E5 4620 v3 's Advantages
Released 4 years and 2 months late
Higher specification of memory (1866 vs 1333)
Larger L3 cache size (25MB vs 24MB)
More modern manufacturing process (22nm vs 32nm)
Xeon E7 2830 's Advantages
Higher base frequency (2.133GHz vs 2GHz)