Intel Xeon E5 2663 v3 's Advantages
Higher specification of memory (2133 vs 1866)
Larger L3 cache size (25MB vs 6MB)
Intel Xeon E3 1285L v4 's Advantages
Released 9 months late
Higher base frequency (3.4GHz vs 2.8GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 105W)