Opteron 2214 HE (F3) 's Advantages
Higher base frequency (2.2GHz vs 2GHz)
Xeon E 2278GEL 's Advantages
Released 12 years and 10 months late
Higher specification of memory (2666 vs 2)
Newer PCIe version (3 vs 1)
More modern manufacturing process (14nm vs 90nm)
Lower TDP (35W vs 68W)