Xeon D 1715TER 's Advantages
Released 11 years and 11 months late
Higher specification of memory (2667 vs 1333)
Newer PCIe version (4 vs 2)
More modern manufacturing process (10nm vs 45nm)
Lower TDP (50W vs 130W)
Xeon X7542 's Advantages
Higher base frequency (2.666GHz vs 2.4GHz)
Larger L3 cache size (18MB vs 10MB)