AMD EPYC 9684X 's Advantages
Released 11 years and 3 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (2.55GHz vs 2.4GHz)
Larger L3 cache size (1152MB vs 10MB)
More modern manufacturing process (5nm vs 32nm)
Intel Xeon E5 2609 's Advantages
Lower TDP (80W vs 400W)