Xeon W 1390 's Advantages
Released 2 years and 11 months late
Higher specification of memory (DDR4-3200 vs DDR4-2666)
Newer PCIe version (4 vs 3)
Higher base frequency (2.8GHz vs 2.5GHz)
Lower TDP (80W vs 170W)
AMD EPYC 7261 's Advantages
Larger L3 cache size (32MB vs 16MB)