Intel Xeon E3 1220L v3 's Advantages
Higher specification of memory (1600 vs 4)
Larger L3 cache size (4MB vs 1.5MB)
Lower TDP (13W vs 45W)
Intel Xeon D 1571 's Advantages
Released 2 years and 5 months late
Higher base frequency (1.3GHz vs 1.1GHz)
More modern manufacturing process (14nm vs 22nm)