Xeon w3 2525 's Advantages
Released 9 years and 2 months late
Higher specification of memory (4400 vs 1866)
Newer PCIe version (5 vs 3)
Higher base frequency (3.5GHz vs 2.1GHz)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E7 8870 v3 's Advantages
Larger L3 cache size (45MB vs 22.5MB)
Lower TDP (140W vs 175W)