Intel Xeon E3 1283L v4 's Advantages
Released 3 years and 1 months late
Higher specification of memory (DDR3-1866 vs DDR3)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (47W vs 69W)
Intel Xeon E3 1220 v2 's Advantages
Higher base frequency (3.1GHz vs 2.9GHz)
Larger L3 cache size (8MB vs 6MB)