Intel Xeon E5 2689 's Advantages
Lower TDP (115W vs 140W)
Intel Xeon E7 8893 v3 's Advantages
Released 3 years and 3 months late
Higher specification of memory (1866 vs 1600)
Higher base frequency (3.2GHz vs 2.6GHz)
Larger L3 cache size (45MB vs 20MB)
More modern manufacturing process (22nm vs 32nm)