Intel Xeon D 1521 Advantages
Higher base frequency (2.4GHz vs 1.9GHz)
Lower TDP (45W vs 350W)
Intel Xeon Platinum 8592 Advantages
Released 8 years and 1 months late
Higher specification of memory (4800 vs 4)
Newer PCIe version (5 vs 3)
Larger L3 cache size (320MB vs 1.5MB)
More modern manufacturing process (7nm vs 14nm)