Intel Xeon E3 1220 v3 's Advantages
Released 2 years and 4 months late
Higher specification of memory (1600 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (80W vs 95W)
Intel Xeon X5672 's Advantages
Higher base frequency (3.2GHz vs 3.1GHz)
Larger L3 cache size (12MB vs 8MB)