Intel Xeon D 1537 's Advantages
More modern manufacturing process (14nm vs 22nm)
Lower TDP (35W vs 115W)
Intel Xeon E7 4820 v3 's Advantages
Higher specification of memory (1866 vs 4)
Higher base frequency (1.9GHz vs 1.7GHz)
Larger L3 cache size (25MB vs 1.5MB)