Intel Xeon E7 4820 v3 's Advantages
Released 6 years and 2 months late
Higher specification of memory (1866 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (25MB vs 6MB)
More modern manufacturing process (22nm vs 45nm)
Opteron 13QS HE 's Advantages
Higher base frequency (2.4GHz vs 1.9GHz)
Lower TDP (71W vs 115W)