Intel Xeon Gold 5420 's Advantages
Released 3 years and 9 months late
Higher specification of memory (4400 vs 2933)
Newer PCIe version (5 vs 3)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (205W vs 250W)
Intel Xeon Platinum 9221 's Advantages
Higher base frequency (2.1GHz vs 2GHz)
Larger L3 cache size (71.5MB vs 52.5MB)