AMD EPYC 7551P 's Advantages
Released 10 years and 4 months late
Higher specification of memory (DDR4-2666 vs DDR2-667)
Newer PCIe version (3 vs 1)
More modern manufacturing process (14nm vs 90nm)
Opteron 8218 HE 's Advantages
Higher base frequency (2.6GHz vs 2GHz)
Lower TDP (68W vs 180W)