NVIDIA GeForce GTX 1070 GDDR5X 's Advantages
Boost Clock has increased by 38% (1683MHz vs 1218MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.3GB/s vs 112.0GB/s)
1408 additional rendering cores
AMD Radeon 550X 's Advantages
Lower TDP (50W vs 150W)