Xeon D 1715TER 's Advantages
Higher base frequency (2.4GHz vs 2GHz)
Lower TDP (50W vs 500W)
Xeon 6980P 's Advantages
Released 2 years and 7 months late
Higher specification of memory (8800 vs 2667)
Newer PCIe version (5 vs 4)
Larger L3 cache size (504MB vs 10MB)
More modern manufacturing process (5nm vs 10nm)