Intel Xeon W 2125 's Advantages
Higher base frequency (4GHz vs 3.1GHz)
Lower TDP (120W vs 175W)
Intel Xeon w5 2445 's Advantages
Released 5 years and 6 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (26.25MB vs 8.25MB)
More modern manufacturing process (10nm vs 14nm)