AMD EPYC 8434PN 's Advantages
Released 13 years and 7 months late
Higher specification of memory (4800 vs 1066)
Newer PCIe version (5 vs 2)
Larger L3 cache size (128MB vs 8MB)
More modern manufacturing process (5nm vs 45nm)
Xeon EC5509 's Advantages
Lower TDP (85W vs 155W)