AMD EPYC 7663 's Advantages
Released 1 years and 11 months late
Higher specification of memory (DDR4-3200 vs DDR4-2933)
Newer PCIe version (4 vs 3)
Larger L3 cache size (256MB vs 71.5MB)
Lower TDP (240W vs 250W)
Intel Xeon Platinum 9221 's Advantages
Higher base frequency (2.1GHz vs 2GHz)