Xeon w7 3555 's Advantages
Released 4 years and 3 months late
Higher specification of memory (4800 vs 2933)
Newer PCIe version (5 vs 3)
Larger L3 cache size (75MB vs 20MB)
More modern manufacturing process (10nm vs 14nm)
Intel Xeon W 1290 's Advantages
Higher base frequency (3.2GHz vs 2.7GHz)
Lower TDP (80W vs 325W)