Opteron 2218 (F3) 's Advantages
Higher base frequency (2.6GHz vs 2.2GHz)
Lower TDP (95W vs 105W)
Intel Xeon E5 2658A v3 's Advantages
Released 8 years and 5 months late
Higher specification of memory (2133 vs 2)
Newer PCIe version (3 vs 1)
More modern manufacturing process (22nm vs 90nm)