Intel Xeon D 1531 's Advantages
Higher base frequency (2.2GHz vs 1.8GHz)
Lower TDP (35W vs 125W)
Intel Xeon Bronze 3408U 's Advantages
Released 7 years and 2 months late
Higher specification of memory (4000 vs 4)
Newer PCIe version (5 vs 3)
Larger L3 cache size (22.5MB vs 1.5MB)
More modern manufacturing process (10nm vs 14nm)