Intel Xeon E5 2403 's Advantages
Lower TDP (80W vs 195W)
Intel Xeon Gold 6434 's Advantages
Released 10 years and 8 months late
Higher specification of memory (4800 vs 3)
Higher base frequency (3.7GHz vs 1.8GHz)
Larger L3 cache size (22.5MB vs 10MB)
More modern manufacturing process (10nm vs 32nm)