Opteron 6284 SE 's Advantages
Released 5 years and 3 months late
Higher specification of memory (1600 vs 667)
Newer PCIe version (2 vs 1)
Higher base frequency (2.7GHz vs 2.6GHz)
More modern manufacturing process (32nm vs 90nm)
Opteron 8218 HE 's Advantages
Lower TDP (68W vs 140W)