Intel Xeon D 1531 's Advantages
Released 4 years and 7 months late
More modern manufacturing process (14nm vs 32nm)
Lower TDP (35W vs 130W)
Xeon E7 4860 's Advantages
Higher specification of memory (1333 vs 4)
Higher base frequency (2.266GHz vs 2.2GHz)
Larger L3 cache size (24MB vs 1.5MB)