Intel Xeon E5 2649 v3 's Advantages
Released 8 years and 1 months late
Higher specification of memory (2133 vs 667)
Newer PCIe version (3 vs 1)
More modern manufacturing process (22nm vs 90nm)
Lower TDP (105W vs 120W)
Opteron 8220 SE (F2) 's Advantages
Higher base frequency (2.8GHz vs 2.3GHz)