Opteron 6284 SE 's Advantages
Higher base frequency (2.7GHz vs 2.3GHz)
Intel Xeon W 2191B 's Advantages
Released 5 years and 7 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (24.75MB vs 8MB)