Xeon D 1715TER 's Advantages
Released 7 years and 5 months late
Higher specification of memory (2667 vs 1866)
Newer PCIe version (4 vs 3)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (50W vs 140W)
Intel Xeon E5 1603 v3 's Advantages
Higher base frequency (2.8GHz vs 2.4GHz)