Xeon w7 2555X 's Advantages
Released 7 years late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (33.75MB vs 8.25MB)
More modern manufacturing process (10nm vs 14nm)
Intel Xeon W 2135 's Advantages
Higher base frequency (3.7GHz vs 3.3GHz)
Lower TDP (140W vs 210W)