Intel Xeon W 2135 's Advantages
Released 7 years and 5 months late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.7GHz vs 1.9GHz)
More modern manufacturing process (14nm vs 45nm)
Opteron 6168 's Advantages
Larger L3 cache size (12MB vs 8.25MB)
Lower TDP (115W vs 140W)