Xeon E 2278G 's Advantages
Released 8 years and 1 months late
Higher specification of memory (2666 vs 3)
Higher base frequency (3.4GHz vs 3.3GHz)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E3 1240 's Advantages
Lower TDP (80W vs 95W)