Xeon w7 2565X 's Advantages
Released 9 years and 2 months late
Higher specification of memory (4800 vs 1866)
Newer PCIe version (5 vs 3)
Higher base frequency (3.2GHz vs 2.8GHz)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E7 8891 v3 's Advantages
Larger L3 cache size (45MB vs 37.5MB)
Lower TDP (165W vs 240W)