Intel Xeon D 1571 's Advantages
Lower TDP (45W vs 165W)
Intel Xeon Gold 5515 's Advantages
Released 7 years and 10 months late
Higher specification of memory (4800 vs 4)
Newer PCIe version (5 vs 3)
Higher base frequency (3.2GHz vs 1.3GHz)
Larger L3 cache size (22.5MB vs 1.5MB)
More modern manufacturing process (10nm vs 14nm)