AMD EPYC 7663 's Advantages
Released 7 years and 2 months late
Higher specification of memory (DDR4-3200 vs DDR3-1333)
Newer PCIe version (4 vs 3)
Higher base frequency (2GHz vs 1.4GHz)
Larger L3 cache size (256MB vs 6MB)
Pentium 1405 V2 's Advantages
Lower TDP (40W vs 240W)