Intel Xeon Gold 6421N 's Advantages
Released 11 years and 11 months late
Higher specification of memory (4400 vs 1333)
Newer PCIe version (5 vs 2)
Larger L3 cache size (60MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)
Xeon L5639 's Advantages
Higher base frequency (2.133GHz vs 1.8GHz)
Lower TDP (60W vs 185W)