Intel Xeon E3 1275 v3 's Advantages
Higher base frequency (3.5GHz vs 2.1GHz)
Lower TDP (84W vs 390W)
AMD EPYC 9845 's Advantages
Released 11 years and 4 months late
Higher specification of memory (6000 vs 4)
Newer PCIe version (5 vs 3)
Larger L3 cache size (320MB vs 8MB)
More modern manufacturing process (3nm vs 22nm)