Intel Xeon E5 2693 v3 's Advantages
Higher specification of memory (2133 vs 3)
Higher base frequency (2.8GHz vs 1.8GHz)
Larger L3 cache size (30MB vs 10MB)
Intel Xeon E5 2603 v2 's Advantages
Released 112 years and 8 months late
Lower TDP (80W vs 160W)