Intel Xeon Platinum 9221 's Advantages
Higher base frequency (2.1GHz vs 2GHz)
Larger L3 cache size (71.5MB vs 60MB)
Intel Xeon Gold 6438N 's Advantages
Released 3 years and 9 months late
Higher specification of memory (4800 vs 2933)
Newer PCIe version (5 vs 3)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (205W vs 250W)