Intel Xeon E5 1603 v3 's Advantages
Lower TDP (140W vs 165W)
Intel Xeon w3 2435 's Advantages
Released 8 years and 5 months late
Higher specification of memory (4400 vs 1866)
Newer PCIe version (5 vs 3)
Higher base frequency (3.1GHz vs 2.8GHz)
Larger L3 cache size (22.5MB vs 10MB)
More modern manufacturing process (10nm vs 22nm)