Intel Xeon E5 2420 's Advantages
Lower TDP (95W vs 105W)
Xeon Platinum 8256 's Advantages
Released 6 years and 7 months late
Higher specification of memory (4 vs 3)
Higher base frequency (3.8GHz vs 1.9GHz)
Larger L3 cache size (16.5MB vs 15MB)
More modern manufacturing process (14nm vs 32nm)