Intel Xeon E7 8870 v3 's Advantages
Larger L3 cache size (45MB vs 8MB)
Intel Xeon E3 1285 v6 's Advantages
Released 2 years and 2 months late
Higher specification of memory (DDR4 vs DDR3)
Higher base frequency (4.1GHz vs 2.1GHz)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (79W vs 140W)