Xeon Platinum 8256 's Advantages
Released 9 years and 3 months late
Higher base frequency (3.8GHz vs 2.933GHz)
Larger L3 cache size (16.5MB vs 8MB)
More modern manufacturing process (14nm vs 45nm)
Xeon X3470 's Advantages
Higher specification of memory (1333 vs 4)
Lower TDP (95W vs 105W)