Intel Xeon D 1520 's Advantages
Released 3 years and 4 months late
Higher specification of memory (4 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.2GHz vs 2.1GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (45W vs 115W)
Opteron 6272 's Advantages
Larger L3 cache size (16MB vs 1.5MB)