Xeon E 2276M 's Advantages
Released 5 years late
Higher specification of memory (2666 vs 1600)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 80W)
Intel Xeon E3 1231 v3 's Advantages
Higher base frequency (3.4GHz vs 2.8GHz)