Intel Xeon E3 1220L 's Advantages
Lower TDP (20W vs 65W)
Intel Xeon E3 1285L v4 's Advantages
Released 4 years and 2 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (3.4GHz vs 2.2GHz)
Larger L3 cache size (6MB vs 3MB)
More modern manufacturing process (14nm vs 32nm)