Xeon E 2278GEL 's Advantages
Released 7 years and 3 months late
Higher specification of memory (2666 vs 3)
Larger L3 cache size (16MB vs 15MB)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (35W vs 130W)
Intel Xeon E5 1660 's Advantages
Higher base frequency (3.3GHz vs 2GHz)