Xeon E 2274G 's Advantages
Higher base frequency (4GHz vs 2.7GHz)
Lower TDP (83W vs 350W)
Intel Xeon Platinum 8558P 's Advantages
Released 4 years and 7 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (260MB vs 8MB)
More modern manufacturing process (7nm vs 14nm)