AMD EPYC 9684X 's Advantages
Released 4 years and 11 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (1152MB vs 12MB)
More modern manufacturing process (5nm vs 14nm)
Xeon E 2146G 's Advantages
Higher base frequency (3.5GHz vs 2.55GHz)
Lower TDP (80W vs 400W)