Intel Xeon D 1537 's Advantages
Released 4 years and 7 months late
More modern manufacturing process (14nm vs 32nm)
Lower TDP (35W vs 130W)
Intel Xeon E7 8850 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (2GHz vs 1.7GHz)
Larger L3 cache size (30MB vs 1.5MB)