Opteron 8218 (F2) 's Advantages
Lower TDP (95W vs 135W)
Intel Xeon E5 2666 v3 's Advantages
Released 8 years and 3 months late
Higher specification of memory (2133 vs 667)
Newer PCIe version (3 vs 1)
Higher base frequency (2.9GHz vs 2.6GHz)
More modern manufacturing process (22nm vs 90nm)