Opteron 2218 (F3) 's Advantages
Higher base frequency (2.6GHz vs 2.3GHz)
Lower TDP (95W vs 140W)
Intel Xeon W 2191B 's Advantages
Released 11 years and 4 months late
Higher specification of memory (2666 vs 2)
Newer PCIe version (3 vs 1)
More modern manufacturing process (14nm vs 90nm)