Intel Xeon E5 2683 v3 's Advantages
Lower TDP (120W vs 270W)
Intel Xeon w7 3445 's Advantages
Released 8 years and 5 months late
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (2.5GHz vs 2GHz)
Larger L3 cache size (52.5MB vs 35MB)
More modern manufacturing process (10nm vs 22nm)