Xeon D 1715TER 's Advantages
Released 2 years and 8 months late
Higher specification of memory (2667 vs 2666)
Newer PCIe version (4 vs 3)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (50W vs 80W)
Xeon E 2278GE 's Advantages
Higher base frequency (3.3GHz vs 2.4GHz)
Larger L3 cache size (16MB vs 10MB)