Intel Xeon W 2135 's Advantages
Released 4 years and 9 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.7GHz vs 1.8GHz)
Larger L3 cache size (8.25MB vs 8MB)
Opteron 6366 HE 's Advantages
Lower TDP (85W vs 140W)