Intel Xeon E3 1285 v6 's Advantages
Released 2 years and 2 months late
Higher base frequency (4.1GHz vs 1.7GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (79W vs 105W)
Intel Xeon E5 4648 v3 's Advantages
Higher specification of memory (1866 vs 4)
Larger L3 cache size (30MB vs 8MB)