Intel Xeon D 1518 's Advantages
Released 4 years and 1 months late
Higher specification of memory (4 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.2GHz vs 2.133GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (35W vs 80W)
Intel Xeon E5606 's Advantages
Larger L3 cache size (8MB vs 1.5MB)