Intel Xeon E3 1285 v4 's Advantages
Released 2 years late
Higher specification of memory (1866 vs 4)
More modern manufacturing process (14nm vs 22nm)
Intel Xeon E3 1285 v3 's Advantages
Higher base frequency (3.6GHz vs 3.5GHz)
Larger L3 cache size (8MB vs 6MB)
Lower TDP (84W vs 95W)