Intel Xeon X5492 's Advantages
Higher base frequency (3.4GHz vs 2.1GHz)
Intel Xeon D 1567 's Advantages
Released 7 years and 5 months late
Higher specification of memory (4 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (65W vs 150W)