Intel Xeon E5 2649 v3 's Advantages
Released 113 years and 8 months late
Lower TDP (105W vs 160W)
Intel Xeon E5 2693 v3 's Advantages
Higher specification of memory (2133 vs 2133)
Higher base frequency (2.8GHz vs 2.3GHz)
Larger L3 cache size (30MB vs 25MB)