Intel Xeon E5 2693 v3 's Advantages
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (30MB vs 12MB)
More modern manufacturing process (22nm vs 32nm)
Intel Xeon X5687 's Advantages
Released 110 years and 1 months late
Higher base frequency (3.6GHz vs 2.8GHz)
Lower TDP (130W vs 160W)