Intel Xeon Gold 6438M 's Advantages
Released 10 years and 8 months late
Higher specification of memory (4800 vs 3)
Higher base frequency (2.2GHz vs 1.8GHz)
Larger L3 cache size (60MB vs 10MB)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E5 2403 's Advantages
Lower TDP (80W vs 205W)