Intel Xeon E7 8870 v3 's Advantages
Released 3 years and 1 months late
Larger L3 cache size (45MB vs 8MB)
Intel Xeon E3 1280 v2 's Advantages
Higher specification of memory (DDR3 vs DDR3)
Higher base frequency (3.6GHz vs 2.1GHz)
Lower TDP (69W vs 140W)