Intel Xeon D 1567 's Advantages
Lower TDP (65W vs 210W)
Xeon 6520P 's Advantages
Released 9 years late
Higher specification of memory (6400 vs 4)
Newer PCIe version (5 vs 3)
Higher base frequency (2.4GHz vs 2.1GHz)
Larger L3 cache size (144MB vs 1.5MB)
More modern manufacturing process (5nm vs 14nm)