Intel Xeon E5 4640 v3 's Advantages
Released 8 years and 10 months late
Higher specification of memory (1866 vs 667)
Newer PCIe version (3 vs 1)
More modern manufacturing process (22nm vs 90nm)
Lower TDP (105W vs 120W)
Opteron 8220 SE (F3) 's Advantages
Higher base frequency (2.8GHz vs 1.9GHz)