Opteron 6348 's Advantages
Higher base frequency (2.8GHz vs 2.4GHz)
Lower TDP (115W vs 360W)
AMD EPYC 9654 's Advantages
Released 10 years late
Higher specification of memory (4800 vs 1866)
Newer PCIe version (5 vs 2)
Larger L3 cache size (384MB vs 8MB)
More modern manufacturing process (5nm vs 32nm)