Intel Xeon E3 1270 v3 's Advantages
Released 2 years and 4 months late
Higher specification of memory (4 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (80W vs 130W)
Intel Xeon X5687 's Advantages
Higher base frequency (3.6GHz vs 3.5GHz)
Larger L3 cache size (12MB vs 8MB)