Xeon E 2278G 's Advantages
Released 4 years and 8 months late
Higher specification of memory (2666 vs 1866)
Higher base frequency (3.4GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E5 2630 v3 's Advantages
Larger L3 cache size (20MB vs 16MB)
Lower TDP (85W vs 95W)