AMD EPYC 7742 's Advantages
Larger L3 cache size (256MB vs 64MB)
AMD EPYC 9224 's Advantages
Released 3 years and 3 months late
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5 vs 4)
Higher base frequency (2.5GHz vs 2.25GHz)
More modern manufacturing process (5nm vs 7nm)
Lower TDP (200W vs 225W)