Intel Xeon W 3175X 's Advantages
Higher base frequency (3.1GHz vs 2.7GHz)
Lower TDP (255W vs 350W)
Intel Xeon Platinum 8558P 's Advantages
Released 4 years and 11 months late
Higher specification of memory (DDR5-4800 vs DDR4-2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (260MB vs 38.5MB)
More modern manufacturing process (7nm vs 14nm)