Intel Xeon Gold 6448H 's Advantages
Released 7 years and 2 months late
Higher specification of memory (4800 vs 4)
Newer PCIe version (5 vs 3)
Larger L3 cache size (60MB vs 1.5MB)
More modern manufacturing process (10nm vs 14nm)
Intel Xeon D 1521 's Advantages
Lower TDP (45W vs 250W)