Intel Xeon E5 2663 v3 's Advantages
Higher base frequency (2.8GHz vs 2.4GHz)
Lower TDP (105W vs 250W)
Intel Xeon Gold 6448H 's Advantages
Released 8 years and 4 months late
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (60MB vs 25MB)
More modern manufacturing process (10nm vs 22nm)