Opteron 6328 's Advantages
Higher base frequency (3.2GHz vs 2.9GHz)
Lower TDP (115W vs 200W)
AMD EPYC Embedded 9254 's Advantages
Released 10 years and 4 months late
Higher specification of memory (4800 vs 1866)
Newer PCIe version (5 vs 2)
Larger L3 cache size (128MB vs 8MB)
More modern manufacturing process (5nm vs 32nm)