Opteron 2218 (F3) 's Advantages
Higher base frequency (2.6GHz vs 1.9GHz)
Opteron 3320 EE 's Advantages
Released 6 years and 4 months late
Higher specification of memory (3 vs 2)
Newer PCIe version (2 vs 1)
More modern manufacturing process (32nm vs 90nm)
Lower TDP (25W vs 95W)