Intel Xeon Platinum 8558 's Advantages
Released 2 years and 3 months late
Higher specification of memory (5200 vs 3200)
Newer PCIe version (5 vs 4)
Larger L3 cache size (260MB vs 16MB)
More modern manufacturing process (7nm vs 14nm)
Intel Xeon E 2378 's Advantages
Higher base frequency (2.6GHz vs 2.1GHz)
Lower TDP (65W vs 330W)