Xeon E 2278G 's Advantages
Released 8 years and 1 months late
Higher specification of memory (2666 vs 1333)
Higher base frequency (3.4GHz vs 2GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (95W vs 130W)
Xeon E7 4850 's Advantages
Larger L3 cache size (24MB vs 16MB)