Intel Xeon D 1581 's Advantages
Released 3 years and 11 months late
Higher specification of memory (4 vs 3)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E5 2630L 's Advantages
Higher base frequency (2GHz vs 1.8GHz)
Larger L3 cache size (15MB vs 1.5MB)
Lower TDP (60W vs 65W)