Intel Xeon E5 2603 v3 's Advantages
Lower TDP (85W vs 350W)
Intel Xeon w9 3495X 's Advantages
Released 8 years and 5 months late
Higher specification of memory (4800 vs 1600)
Newer PCIe version (5 vs 3)
Higher base frequency (1.9GHz vs 1.6GHz)
Larger L3 cache size (105MB vs 15MB)
More modern manufacturing process (10nm vs 22nm)