Intel Xeon E3 1225 v3 's Advantages
Released 2 years and 10 months late
Higher specification of memory (1600 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (84W vs 130W)
Intel Xeon W3670 's Advantages
Larger L3 cache size (12MB vs 8MB)