Opteron 6328 's Advantages
Higher base frequency (3.2GHz vs 2.1GHz)
AMD EPYC Embedded 3101 's Advantages
Released 5 years and 3 months late
Higher specification of memory (2666 vs 1866)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (35W vs 115W)