Intel Xeon E3 1505M v5 's Advantages
Higher base frequency (2.8GHz vs 2.1GHz)
Lower TDP (45W vs 330W)
Intel Xeon Platinum 8558 's Advantages
Released 8 years and 2 months late
Higher specification of memory (5200 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (260MB vs 8MB)
More modern manufacturing process (7nm vs 14nm)