Opteron 2220 SE (F2) 's Advantages
Higher base frequency (2.8GHz vs 2.5GHz)
Opteron 6380 's Advantages
Released 6 years and 3 months late
Higher specification of memory (DDR3 vs DDR2)
Newer PCIe version (2 vs 1)
More modern manufacturing process (32nm vs 90nm)
Lower TDP (115W vs 119W)