Opteron 6168 's Advantages
Lower TDP (115W vs 225W)
AMD EPYC 7713P 's Advantages
Released 11 years late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 2)
Higher base frequency (2GHz vs 1.9GHz)
Larger L3 cache size (256MB vs 12MB)
More modern manufacturing process (7nm vs 45nm)