Intel Xeon Gold 6421N 's Advantages
Released 10 years and 2 months late
Higher specification of memory (DDR5-4400 vs DDR3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (60MB vs 8MB)
Opteron 6386 SE 's Advantages
Higher base frequency (2.8GHz vs 1.8GHz)
Lower TDP (140W vs 185W)