Intel Xeon E3 1220 v3 's Advantages
Lower TDP (80W vs 250W)
Intel Xeon W 3335 's Advantages
Released 8 years and 1 months late
Higher specification of memory (3200 vs 1600)
Newer PCIe version (4 vs 3)
Higher base frequency (3.4GHz vs 3.1GHz)
Larger L3 cache size (24MB vs 8MB)
More modern manufacturing process (10nm vs 22nm)