Intel Xeon E3 1575M v5 's Advantages
Lower TDP (45W vs 350W)
Intel Xeon Gold 6458Q 's Advantages
Released 7 years late
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (3.1GHz vs 3GHz)
Larger L3 cache size (60MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)