Intel Xeon Platinum 9221 's Advantages
Lower TDP (250W vs 300W)
Intel Xeon w9 3475X 's Advantages
Released 3 years and 10 months late
Higher specification of memory (DDR5-4800 vs DDR4-2933)
Newer PCIe version (5 vs 3)
Higher base frequency (2.2GHz vs 2.1GHz)
Larger L3 cache size (82.5MB vs 71.5MB)
More modern manufacturing process (10nm vs 14nm)