Intel Xeon E3 1285 v3 's Advantages
Higher base frequency (3.6GHz vs 2.2GHz)
Lower TDP (84W vs 105W)
Intel Xeon E5 2658A v3 's Advantages
Released 1 years and 7 months late
Higher specification of memory (2133 vs 4)
Larger L3 cache size (30MB vs 8MB)