Intel Xeon E3 1284L v4 's Advantages
Released 3 years and 1 months late
Higher specification of memory (1866 vs 3)
Larger L3 cache size (6MB vs 3MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (47W vs 69W)
Xeon E3 1220 v2 's Advantages
Higher base frequency (3.1GHz vs 2.9GHz)