Intel Xeon E3 1225 v3 's Advantages
Released 1 years and 3 months late
Higher specification of memory (1600 vs 3)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (84W vs 130W)
Intel Xeon E5 1660 's Advantages
Higher base frequency (3.3GHz vs 3.2GHz)
Larger L3 cache size (15MB vs 8MB)