Intel Xeon E5 2403 's Advantages
Lower TDP (80W vs 350W)
Intel Xeon Platinum 8490H 's Advantages
Released 10 years and 8 months late
Higher specification of memory (4800 vs 3)
Higher base frequency (1.9GHz vs 1.8GHz)
Larger L3 cache size (112.5MB vs 10MB)
More modern manufacturing process (10nm vs 32nm)