Intel Xeon E7 4820 v3 's Advantages
Lower TDP (115W vs 190W)
Intel Xeon Platinum 8356H 's Advantages
Released 5 years and 10 months late
Higher specification of memory (2933 vs 1866)
Higher base frequency (3.9GHz vs 1.9GHz)
Larger L3 cache size (35.75MB vs 25MB)
More modern manufacturing process (14nm vs 22nm)