Intel Xeon Platinum 8558U 's Advantages
Released 13 years and 9 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (260MB vs 12MB)
More modern manufacturing process (7nm vs 32nm)
Intel Xeon E5630 's Advantages
Higher base frequency (2.533GHz vs 2.0GHz)
Lower TDP (80W vs 300W)