AMD EPYC 7542 's Advantages
Released 4 years and 5 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (2.9GHz vs 2.2GHz)
Larger L3 cache size (128MB vs 1.5MB)
Intel Xeon D 1520 's Advantages
Lower TDP (45W vs 225W)