AMD EPYC 9124 's Advantages
Released 8 years late
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (3GHz vs 2.9GHz)
Larger L3 cache size (64MB vs 25MB)
More modern manufacturing process (5nm vs 22nm)
Intel Xeon E5 2666 v3 's Advantages
Lower TDP (135W vs 200W)