Intel Xeon E5 2666 v3 's Advantages
Released 1 years and 5 months late
Higher specification of memory (2133 vs 4)
Larger L3 cache size (25MB vs 8MB)
Intel Xeon E3 1285L v3 's Advantages
Higher base frequency (3.1GHz vs 2.9GHz)
Lower TDP (65W vs 135W)