Intel Xeon D 1581 's Advantages
Released 4 years and 10 months late
Higher specification of memory (4 vs 3)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon E3 1260L 's Advantages
Higher base frequency (2.4GHz vs 1.8GHz)
Larger L3 cache size (8MB vs 1.5MB)
Lower TDP (45W vs 65W)