Intel Xeon E5 2643 's Advantages
Higher base frequency (3.3GHz vs 2.65GHz)
Lower TDP (130W vs 180W)
AMD EPYC 7413 's Advantages
Released 9 years late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (128MB vs 10MB)