AMD EPYC 9965 's Advantages
Released 6 years and 6 months late
Higher specification of memory (6000 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (384MB vs 12MB)
More modern manufacturing process (3nm vs 14nm)
Xeon E 2186M 's Advantages
Higher base frequency (2.9GHz vs 2.25GHz)
Lower TDP (45W vs 500W)