Intel Xeon D 1531 's Advantages
Released 3 years and 6 months late
Higher specification of memory (4 vs 3)
Higher base frequency (2.2GHz vs 2GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (35W vs 50W)
Intel Xeon E5 2418L 's Advantages
Larger L3 cache size (10MB vs 1.5MB)