Intel Xeon E3 1270 v5 's Advantages
Released 5 years and 7 months late
Higher specification of memory (2133 vs 1333)
Newer PCIe version (3 vs 2)
Higher base frequency (3.6GHz vs 1.733GHz)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (80W vs 105W)
Xeon E6510 's Advantages
Larger L3 cache size (12MB vs 8MB)