Intel Xeon E5 2663 v3 's Advantages
Higher base frequency (2.8GHz vs 2.4GHz)
Lower TDP (105W vs 225W)
Intel Xeon Platinum 8351N 's Advantages
Released 6 years and 7 months late
Higher specification of memory (2933 vs 2133)
Newer PCIe version (4 vs 3)
Larger L3 cache size (54MB vs 25MB)
More modern manufacturing process (10nm vs 22nm)