Intel Xeon E3 1285 v6 's Advantages
Higher base frequency (4.1GHz vs 3.2GHz)
Lower TDP (79W vs 290W)
Xeon w5 3525 's Advantages
Released 7 years late
Higher specification of memory (4800 vs 4)
Newer PCIe version (5 vs 3)
Larger L3 cache size (45MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)