NVIDIA GeForce GTX 1070 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (256.3GB/s vs 112.0GB/s)
1152 additional rendering cores
AMD Radeon Pro W6400 's Advantages
Released 5 years and 7 months late
Boost Clock has increased by 39% (2331MHz vs 1683MHz)
Lower TDP (50W vs 150W)