Intel Xeon X5647 's Advantages
Higher base frequency (2.933GHz vs 2.5GHz)
Lower TDP (130W vs 270W)
Xeon w7 3445 's Advantages
Released 12 years late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (52.5MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)