Intel Xeon D 1587 's Advantages
Lower TDP (65W vs 205W)
Intel Xeon Gold 6346 's Advantages
Released 5 years and 2 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (3.1GHz vs 1.7GHz)
Larger L3 cache size (36MB vs 1.5MB)
More modern manufacturing process (10nm vs 14nm)