Xeon X3480 's Advantages
Higher base frequency (3.066GHz vs 2.9GHz)
Lower TDP (95W vs 200W)
AMD EPYC Embedded 9254 's Advantages
Released 12 years and 10 months late
Higher specification of memory (4800 vs 1333)
Newer PCIe version (5 vs 2)
Larger L3 cache size (128MB vs 8MB)
More modern manufacturing process (5nm vs 45nm)