Intel Xeon W 2104 's Advantages
Higher base frequency (3.2GHz vs 1.8GHz)
Lower TDP (120W vs 225W)
Xeon 6756E 's Advantages
Released 6 years and 10 months late
Higher specification of memory (6400 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (96MB vs 8.25MB)
More modern manufacturing process (5nm vs 14nm)