Xeon E7 8837 's Advantages
Lower TDP (130W vs 165W)
Intel Xeon E5 2698A v3 's Advantages
Released 3 years and 7 months late
Higher specification of memory (2133 vs 1333)
Higher base frequency (2.8GHz vs 2.667GHz)
Larger L3 cache size (40MB vs 24MB)
More modern manufacturing process (22nm vs 32nm)