Intel Xeon Gold 6448H 's Advantages
Released 12 years and 10 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (60MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E5645 's Advantages
Lower TDP (80W vs 250W)