Intel Xeon W 1290 's Advantages
Released 4 years and 6 months late
Higher specification of memory (DDR4-2933 vs DDR3)
Higher base frequency (3.2GHz vs 2.2GHz)
Larger L3 cache size (20MB vs 1.5MB)
Intel Xeon D 1531 's Advantages
Lower TDP (35W vs 80W)