Intel Xeon E3 1280 's Advantages
Higher base frequency (3.5GHz vs 2.1GHz)
Lower TDP (95W vs 330W)
Intel Xeon Platinum 8558 's Advantages
Released 12 years and 8 months late
Higher specification of memory (5200 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (260MB vs 8MB)
More modern manufacturing process (7nm vs 32nm)