Intel Xeon E5 2448L 's Advantages
Larger L3 cache size (20MB vs 16MB)
Lower TDP (70W vs 95W)
Xeon E 2278G 's Advantages
Released 7 years late
Higher specification of memory (2666 vs 3)
Higher base frequency (3.4GHz vs 1.8GHz)
More modern manufacturing process (14nm vs 32nm)