AMD EPYC 7663 's Advantages
Larger L3 cache size (256MB vs 128MB)
AMD EPYC 9334 's Advantages
Released 1 years and 8 months late
Higher specification of memory (DDR5-4800 vs DDR4-3200)
Newer PCIe version (5 vs 4)
Higher base frequency (2.7GHz vs 2GHz)
More modern manufacturing process (5nm vs 7nm)
Lower TDP (210W vs 240W)