Xeon E7 8837 's Advantages
Lower TDP (130W vs 140W)
Intel Xeon E7 8893 v3 's Advantages
Released 4 years and 2 months late
Higher specification of memory (1866 vs 1333)
Higher base frequency (3.2GHz vs 2.667GHz)
Larger L3 cache size (45MB vs 24MB)
More modern manufacturing process (22nm vs 32nm)