Intel Xeon E3 1280 v3 's Advantages
Higher base frequency (3.6GHz vs 3.4GHz)
Lower TDP (82W vs 95W)
Xeon E 2278G 's Advantages
Released 5 years and 11 months late
Higher specification of memory (2666 vs 4)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)