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 1.9GHz)
Larger L3 cache size (60MB vs 15MB)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E5 2420 's Advantages
Lower TDP (95W vs 205W)