Intel Xeon E5 2640 's Advantages
Higher base frequency (2.5GHz vs 2.4GHz)
Lower TDP (95W vs 250W)
Intel Xeon Gold 6448H 's Advantages
Released 10 years and 10 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (60MB vs 15MB)
More modern manufacturing process (10nm vs 32nm)