Xeon E 2278GE 's Advantages
Released 4 years and 9 months late
Higher specification of memory (2666 vs 2133)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (80W vs 135W)
Intel Xeon E5 2643 v3 's Advantages
Higher base frequency (3.4GHz vs 3.3GHz)
Larger L3 cache size (20MB vs 16MB)