Opteron 8220 SE (F3) 's Advantages
Higher specification of memory (667 vs 3)
Lower TDP (120W vs 130W)
Intel Xeon X5680 's Advantages
Released 3 years and 6 months late
Newer PCIe version (2 vs 1)
Higher base frequency (3.333GHz vs 2.8GHz)
More modern manufacturing process (32nm vs 90nm)