Intel Xeon E3 1220 v2 's Advantages
Lower TDP (69W vs 105W)
Intel Xeon Platinum 8256 's Advantages
Released 6 years and 7 months late
Higher specification of memory (DDR4 vs DDR3)
Higher base frequency (3.8GHz vs 3.1GHz)
Larger L3 cache size (16.5MB vs 8MB)
More modern manufacturing process (14nm vs 22nm)