Intel Xeon E7 8891 v3 's Advantages
Lower TDP (165W vs 350W)
Intel Xeon Gold 6458Q 's Advantages
Released 7 years and 7 months late
Higher specification of memory (4800 vs 1866)
Newer PCIe version (5 vs 3)
Higher base frequency (3.1GHz vs 2.8GHz)
Larger L3 cache size (60MB vs 45MB)
More modern manufacturing process (10nm vs 22nm)