Intel Xeon W 1290 's Advantages
Higher base frequency (3.2GHz vs 2.4GHz)
Lower TDP (80W vs 225W)
Intel Xeon Platinum 8351N 's Advantages
Released 11 months late
Newer PCIe version (4 vs 3)
Larger L3 cache size (54MB vs 20MB)
More modern manufacturing process (10nm vs 14nm)