Intel Xeon E7 8891 v3 's Advantages
Higher specification of memory (1866 vs 4)
Higher base frequency (2.8GHz vs 2.4GHz)
Larger L3 cache size (45MB vs 35.75MB)
Xeon Platinum 8260M 's Advantages
Released 3 years and 6 months late
More modern manufacturing process (14nm vs 22nm)