Xeon E 2278GEL 's Advantages
Larger L3 cache size (16MB vs 12MB)
Lower TDP (35W vs 55W)
Xeon E 2414 's Advantages
Released 4 years and 6 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Higher base frequency (2.6GHz vs 2GHz)
More modern manufacturing process (10nm vs 14nm)