Comparison of GIGABYTE Radeon RX 480 WINDFORCE 8G video card vs Colorful iGame GeForce GTX 1070 SI-8G-V video card by specifications and benchmarks. GIGABYTE Radeon RX 480 WINDFORCE 8G runs at 1.120 GHz base clock speed and has 4 GB of GDDR5 memory, while video card Colorful iGame GeForce GTX 1070 SI-8G-V runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 150 W, and the second is 150 W. Compare the table of benchmark results to find out which graphic card is better.