AMD Radeon HD 7970 GHz Edition 's Advantages
Larger VRAM bandwidth (288.0GB/s vs 256.3GB/s)
128 additional rendering cores
NVIDIA GeForce GTX 1070 's Advantages
Released 4 years late
Boost Clock has increased by 60% (1683MHz vs 1050MHz)
More VRAM (8GB vs 3GB)
Lower TDP (150W vs 300W)