Intel Xeon E3 1270 v3 's Advantages
Released 2 years and 2 months late
Higher base frequency (3.5GHz vs 2.4GHz)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (80W vs 130W)
Intel Xeon E7 8870 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Larger L3 cache size (30MB vs 8MB)