AMD EPYC 7543 's Advantages
Released 15 years and 7 months late
Higher specification of memory (DDR4-3200 vs DDR1-400)
Higher base frequency (2.8GHz vs 2.2GHz)
More modern manufacturing process (7nm vs 90nm)
Opteron X2 175 's Advantages
Lower TDP (110W vs 225W)