Intel Xeon Gold 5415 's Advantages
Released 3 years and 9 months late
Higher specification of memory (4400 vs 2933)
Newer PCIe version (5 vs 3)
Higher base frequency (2.9GHz vs 2.1GHz)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (150W vs 250W)
Intel Xeon Platinum 9221 's Advantages
Larger L3 cache size (71.5MB vs 22.5MB)