Intel Xeon E7 4820 v3 's Advantages
Released 6 years and 9 months late
Higher specification of memory (1866 vs 667)
Larger L3 cache size (25MB vs 16MB)
More modern manufacturing process (22nm vs 45nm)
Lower TDP (115W vs 130W)
Xeon X7460 's Advantages
Higher base frequency (2.667GHz vs 1.9GHz)