Intel Xeon W 2125 's Advantages
Higher base frequency (4GHz vs 2.0GHz)
Lower TDP (120W vs 300W)
Intel Xeon Platinum 8558U 's Advantages
Released 6 years and 4 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (260MB vs 8.25MB)
More modern manufacturing process (7nm vs 14nm)