Opteron 4386 's Advantages
Higher base frequency (3.1GHz vs 2.5GHz)
AMD EPYC Embedded 3255 's Advantages
Released 5 years and 2 months late
Higher specification of memory (2666 vs 3)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (55W vs 95W)