Intel Xeon E3 1220 's Advantages
Higher base frequency (3.1GHz vs 1.9GHz)
AMD EPYC Embedded 3351 's Advantages
Released 6 years and 10 months late
Higher specification of memory (2666 vs 3)
Larger L3 cache size (32MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)