Intel Xeon E5 2420 's Advantages
Lower TDP (95W vs 150W)
Intel Xeon Gold 5415 's Advantages
Released 10 years and 8 months late
Higher specification of memory (4400 vs 3)
Higher base frequency (2.9GHz vs 1.9GHz)
Larger L3 cache size (22.5MB vs 15MB)
More modern manufacturing process (10nm vs 32nm)