Intel Xeon D 1531 's Advantages
Released 3 years and 6 months late
Higher specification of memory (4 vs 3)
Higher base frequency (2.2GHz vs 1GHz)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E3 1105C 's Advantages
Larger L3 cache size (6MB vs 1.5MB)
Lower TDP (25W vs 35W)