Xeon E7 2850 's Advantages
Higher specification of memory (1333 vs 4)
Larger L3 cache size (24MB vs 8MB)
Intel Xeon E3 1285 v6 's Advantages
Released 6 years and 4 months late
Higher base frequency (4.1GHz vs 2GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (79W vs 130W)