Intel Xeon D 1581 's Advantages
Lower TDP (65W vs 80W)
Xeon D 2733NT 's Advantages
Released 6 years late
Higher specification of memory (2667 vs 4)
Newer PCIe version (4 vs 3)
Higher base frequency (2.1GHz vs 1.8GHz)
Larger L3 cache size (15MB vs 1.5MB)
More modern manufacturing process (10nm vs 14nm)