Intel Xeon E7 4820 v3 's Advantages
Higher base frequency (1.9GHz vs 1.7GHz)
Lower TDP (115W vs 300W)
Intel Xeon Platinum 8470N 's Advantages
Released 7 years and 7 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (97.5MB vs 25MB)
More modern manufacturing process (10nm vs 22nm)