Intel Xeon E5 2643 v2 's Advantages
Higher base frequency (3.5GHz vs 2.4GHz)
Lower TDP (130W vs 225W)
Intel Xeon Platinum 8351N 's Advantages
Released 7 years and 7 months late
Higher specification of memory (2933 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (54MB vs 15MB)
More modern manufacturing process (10nm vs 22nm)