AMD EPYC Embedded 3351 's Advantages
Released 11 years late
Higher specification of memory (2666 vs 667)
Newer PCIe version (3 vs 1)
More modern manufacturing process (14nm vs 90nm)
Lower TDP (80W vs 95W)
Opteron 8220 's Advantages
Higher base frequency (2.8GHz vs 1.9GHz)