Intel Xeon E3 1285 v6 's Advantages
Released 5 years and 3 months late
Higher specification of memory (4 vs 3)
Higher base frequency (4.1GHz vs 3.1GHz)
Larger L3 cache size (8MB vs 3MB)
More modern manufacturing process (14nm vs 22nm)
Xeon E3 1220 v2 's Advantages
Lower TDP (69W vs 79W)