Intel Xeon X5690 's Advantages
Higher base frequency (3.466GHz vs 2.1GHz)
Lower TDP (130W vs 330W)
Intel Xeon Platinum 8558 's Advantages
Released 12 years and 10 months late
Higher specification of memory (5200 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (260MB vs 12MB)
More modern manufacturing process (7nm vs 32nm)