Xeon E7520 's Advantages
Larger L3 cache size (18MB vs 15MB)
Xeon D 2733NT 's Advantages
Released 11 years and 11 months late
Higher specification of memory (2667 vs 1333)
Newer PCIe version (4 vs 2)
Higher base frequency (2.1GHz vs 1.866GHz)
More modern manufacturing process (10nm vs 45nm)
Lower TDP (80W vs 95W)