Intel Xeon E3 1285 v4 's Advantages
Released 3 years and 1 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (3.5GHz vs 3.1GHz)
Larger L3 cache size (6MB vs 3MB)
More modern manufacturing process (14nm vs 22nm)
Xeon E3 1220 v2 's Advantages
Lower TDP (69W vs 95W)