Intel Xeon E3 1275 's Advantages
Higher base frequency (3.4GHz vs 2.75GHz)
Lower TDP (95W vs 290W)
AMD EPYC Embedded 9454P 's Advantages
Released 11 years and 11 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (256MB vs 8MB)
More modern manufacturing process (5nm vs 32nm)