Intel Xeon E7 8891 v3 's Advantages
Higher base frequency (2.8GHz vs 2.5GHz)
Larger L3 cache size (45MB vs 8MB)
Intel Xeon E3 1565L v5 's Advantages
Released 11 months late
Higher specification of memory (2133 vs 1866)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 165W)