Intel Xeon E5 2407 's Advantages
Lower TDP (80W vs 120W)
Intel Xeon E5 2669 v3 's Advantages
Released 2 years and 8 months late
Higher specification of memory (2133 vs 3)
Higher base frequency (2.3GHz vs 2.2GHz)
Larger L3 cache size (30MB vs 10MB)
More modern manufacturing process (22nm vs 32nm)