AMD EPYC 9684X 's Advantages
Released 4 years and 2 months late
Higher specification of memory (DDR5-4800 vs DDR4-2933)
Newer PCIe version (5 vs 3)
Higher base frequency (2.55GHz vs 2.1GHz)
Larger L3 cache size (1152MB vs 71.5MB)
Intel Xeon Platinum 9221 's Advantages
Lower TDP (250W vs 400W)