Intel Xeon E5 2693 v3 's Advantages
Higher specification of memory (2133 vs 3)
Larger L3 cache size (30MB vs 15MB)
Intel Xeon E5 2643 v2 's Advantages
Released 112 years and 8 months late
Higher base frequency (3.5GHz vs 2.8GHz)
Lower TDP (130W vs 160W)