NVIDIA GeForce GTX 1070 's Advantages
More VRAM (8GB vs 6GB)
Larger VRAM bandwidth (256.3GB/s vs 192.2GB/s)
640 additional rendering cores
NVIDIA GeForce GTX 1060 6 GB 's Advantages
Boost Clock has increased by 2% (1709MHz vs 1683MHz)
Lower TDP (120W vs 150W)