Opteron 3320 EE 's Advantages
Released 5 years and 10 months late
Newer PCIe version (2 vs 1)
More modern manufacturing process (32nm vs 90nm)
Lower TDP (25W vs 68W)
Opteron 8218 HE 's Advantages
Higher specification of memory (667 vs 3)
Higher base frequency (2.6GHz vs 1.9GHz)