Xeon w7 3445 's Advantages
Released 11 years and 10 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (52.5MB vs 8MB)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E3 1220 's Advantages
Higher base frequency (3.1GHz vs 2.5GHz)
Lower TDP (80W vs 270W)