Xeon w3 2535 's Advantages
Released 15 years and 5 months late
Higher specification of memory (4400 vs 1333)
Newer PCIe version (5 vs 2)
Higher base frequency (3.5GHz vs 3.2GHz)
Larger L3 cache size (26.25MB vs 8MB)
More modern manufacturing process (10nm vs 45nm)
Xeon W5580 's Advantages
Lower TDP (130W vs 185W)