Xeon w7 2555X 's Advantages
Released 3 years and 4 months late
Higher specification of memory (4800 vs 2933)
Newer PCIe version (5 vs 4)
Higher base frequency (3.3GHz vs 2.4GHz)
Lower TDP (210W vs 225W)
Intel Xeon Platinum 8351N 's Advantages
Larger L3 cache size (54MB vs 33.75MB)