Xeon w5 3525 's Advantages
Released 9 years and 11 months late
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (3.2GHz vs 2.6GHz)
Larger L3 cache size (45MB vs 30MB)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E5 1686 v3 's Advantages
Lower TDP (135W vs 290W)