Xeon E 2146G 's Advantages
Higher base frequency (3.5GHz vs 2.1GHz)
Lower TDP (80W vs 270W)
Intel Xeon Platinum 8454H 's Advantages
Released 4 years and 6 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (82.5MB vs 12MB)
More modern manufacturing process (10nm vs 14nm)