Intel Xeon E5 2403 's Advantages
Lower TDP (80W vs 165W)
Intel Xeon Gold 5318S 's Advantages
Released 8 years and 11 months late
Higher specification of memory (DDR4-2933 vs DDR3)
Higher base frequency (2.1GHz vs 1.8GHz)
Larger L3 cache size (36MB vs 10MB)
More modern manufacturing process (10nm vs 32nm)