Intel Xeon E3 1285L v3 's Advantages
Higher specification of memory (4 vs 3)
Higher base frequency (3.1GHz vs 1.8GHz)
Larger L3 cache size (8MB vs 6MB)
Intel Xeon E3 1258L v4 's Advantages
Released 2 years late
More modern manufacturing process (14nm vs 22nm)
Lower TDP (47W vs 65W)