Intel Xeon D 1518 's Advantages
Released 3 years and 11 months late
Higher base frequency (2.2GHz vs 2GHz)
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)
Larger L3 cache size (30MB vs 1.5MB)