Xeon w3 2525 's Advantages
Released 6 years and 8 months late
Higher specification of memory (4400 vs 2666)
Newer PCIe version (5 vs 3)
Higher base frequency (3.5GHz vs 2.3GHz)
More modern manufacturing process (10nm vs 14nm)
Intel Xeon W 2191B 's Advantages
Larger L3 cache size (24.75MB vs 22.5MB)
Lower TDP (140W vs 175W)