Intel Xeon E5 2620 's Advantages
Released 5 years and 7 months late
Higher specification of memory (3 vs 2)
Newer PCIe version (3 vs 1)
More modern manufacturing process (32nm vs 90nm)
Lower TDP (95W vs 119W)
Opteron 2220 SE (F2) 's Advantages
Higher base frequency (2.8GHz vs 2GHz)