Intel Xeon Platinum 8558P 's Advantages
Released 13 years and 10 months late
Higher specification of memory (4800 vs 1333)
Newer PCIe version (5 vs 2)
Higher base frequency (2.7GHz vs 2.266GHz)
Larger L3 cache size (260MB vs 4MB)
More modern manufacturing process (7nm vs 45nm)
Xeon EC5539 's Advantages
Lower TDP (65W vs 350W)