Opteron 8218 (F3) 's Advantages
Lower TDP (95W vs 135W)
Intel Xeon E5 4655 v3 's Advantages
Released 8 years and 10 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)