Xeon E 2276M 's Advantages
Higher base frequency (2.8GHz vs 1.9GHz)
Lower TDP (45W vs 65W)
Xeon D 2712T 's Advantages
Released 2 years and 9 months late
Higher specification of memory (2667 vs 2666)
Newer PCIe version (4 vs 3)
Larger L3 cache size (15MB vs 12MB)
More modern manufacturing process (10nm vs 14nm)