Intel Xeon E7 8891 v3 's Advantages
Higher base frequency (2.8GHz vs 2.5GHz)
Lower TDP (165W vs 300W)
Intel Xeon w7 3465X 's Advantages
Released 7 years and 8 months late
Higher specification of memory (4800 vs 1866)
Newer PCIe version (5 vs 3)
Larger L3 cache size (75MB vs 45MB)
More modern manufacturing process (10nm vs 22nm)