Intel Xeon E5 2630 v2 's Advantages
Higher base frequency (2.6GHz vs 2.3GHz)
Lower TDP (80W vs 120W)
Intel Xeon E5 2669 v3 's Advantages
Released 1 years and 4 months late
Higher specification of memory (DDR3 vs DDR3)
Larger L3 cache size (30MB vs 15MB)