Intel Xeon E5 2698B v3 's Advantages
Higher specification of memory (2133 vs 4)
Larger L3 cache size (40MB vs 1.5MB)
Intel Xeon D 1520 's Advantages
Higher base frequency (2.2GHz vs 2GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (45W vs 135W)