Intel Xeon E7 8870 v3 's Advantages
Released 3 years and 1 months late
Higher specification of memory (1866 vs 3)
Larger L3 cache size (45MB vs 16MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon E5 4620 's Advantages
Higher base frequency (2.2GHz vs 2.1GHz)
Lower TDP (130W vs 140W)