Opteron 8220 SE (F3) 's Advantages
Higher specification of memory (667 vs 3)
Higher base frequency (2.8GHz vs 2.1GHz)
Intel Xeon E5 2620 v2 's Advantages
Released 7 years and 1 months late
Newer PCIe version (3 vs 1)
More modern manufacturing process (22nm vs 90nm)
Lower TDP (80W vs 120W)