Intel Xeon w7 3445 's Advantages
Released 12 years late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 2)
Higher base frequency (2.5GHz vs 1.6GHz)
Larger L3 cache size (52.5MB vs 4MB)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E5603 's Advantages
Lower TDP (80W vs 270W)