Opteron 6386 SE 's Advantages
Released 5 years and 9 months late
Higher specification of memory (1600 vs 2)
Newer PCIe version (2 vs 1)
Higher base frequency (2.8GHz vs 2.6GHz)
More modern manufacturing process (32nm vs 90nm)
Opteron 2218 HE 's Advantages
Lower TDP (68W vs 140W)