Opteron 6344 's Advantages
Higher base frequency (2.6GHz vs 2.15GHz)
AMD EPYC Embedded 3451 's Advantages
Released 5 years and 3 months late
Higher specification of memory (2666 vs 1866)
Newer PCIe version (3 vs 2)
Larger L3 cache size (32MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (100W vs 115W)