Intel Xeon E7 4809 v3 's Advantages
Lower TDP (115W vs 270W)
Intel Xeon w5 3435X 's Advantages
Released 7 years and 8 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 3)
Higher base frequency (3.1GHz vs 2GHz)
Larger L3 cache size (45MB vs 20MB)
More modern manufacturing process (10nm vs 22nm)