AMD EPYC Embedded 3351 's Advantages
Released 12 years and 6 months late
Higher specification of memory (DDR4-2666 vs DDR1-400)
More modern manufacturing process (14nm vs 90nm)
Lower TDP (80W vs 110W)
Opteron X2 175 's Advantages
Higher base frequency (2.2GHz vs 1.9GHz)