Intel Xeon E5 2665 's Advantages
Higher base frequency (2.4GHz vs 1.9GHz)
Larger L3 cache size (20MB vs 15MB)
Xeon D 2712T 's Advantages
Released 9 years and 11 months late
Higher specification of memory (2667 vs 3)
Newer PCIe version (4 vs 3)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (65W vs 115W)