Intel Xeon E3 1285L v4 's Advantages
Released 9 months late
Higher base frequency (3.4GHz vs 2.6GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 135W)
Intel Xeon E5 1686 v3 's Advantages
Higher specification of memory (2133 vs 1866)
Larger L3 cache size (30MB vs 6MB)