Intel Xeon E5 2665 's Advantages
Higher base frequency (2.4GHz vs 2.1GHz)
Lower TDP (115W vs 270W)
Intel Xeon Platinum 8454H '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 (82.5MB vs 20MB)
More modern manufacturing process (10nm vs 32nm)