AMD EPYC 7742 's Advantages
Released 13 years late
Higher specification of memory (DDR4-3200 vs DDR2-667)
Newer PCIe version (4 vs 1)
Higher base frequency (2.25GHz vs 2.2GHz)
More modern manufacturing process (7nm vs 90nm)
Opteron 8214 HE (F3) 's Advantages
Lower TDP (68W vs 225W)