Intel Xeon E3 1285 v6 's Advantages
Higher base frequency (4.1GHz vs 3.4GHz)
Lower TDP (79W vs 250W)
Intel Xeon W 3335 's Advantages
Released 3 years and 11 months late
Higher specification of memory (3200 vs 4)
Newer PCIe version (4 vs 3)
Larger L3 cache size (24MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)