Xeon w5 3525 's Advantages
Released 12 years and 5 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (3.2GHz vs 2GHz)
Larger L3 cache size (45MB vs 15MB)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E5 2620 's Advantages
Lower TDP (95W vs 290W)