Xeon E 2278G 's Advantages
Released 4 years and 8 months late
Higher specification of memory (2666 vs 2133)
Higher base frequency (3.4GHz vs 2.3GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (95W vs 135W)
Intel Xeon E5 2698 v3 's Advantages
Larger L3 cache size (40MB vs 16MB)