Intel Xeon E5 4650 v3 's Advantages
Released 9 months late
Higher specification of memory (DDR4-2133 vs DDR4-1600)
Higher base frequency (2.1GHz vs 1.9GHz)
Larger L3 cache size (30MB vs 15MB)
Intel Xeon E5 2609 v3 's Advantages
Lower TDP (85W vs 105W)