Opteron 6168 's Advantages
Larger L3 cache size (12MB vs 11MB)
Lower TDP (115W vs 140W)
Intel Xeon W 2145 's Advantages
Released 7 years and 5 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.7GHz vs 1.9GHz)