Comparison of Sapphire Pulse Radeon RX 5700 8G video card vs GIGABYTE GeForce GTX 1070 Xtreme Gaming 8G video card by specifications and benchmarks. Sapphire Pulse Radeon RX 5700 8G runs at 1.540 GHz+ 5 % base clock speed and has 8 GB of GDDR6 memory, while video card GIGABYTE GeForce GTX 1070 Xtreme Gaming 8G runs at 1.670 GHz+ 11 % base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 180 W, and the second is 150 W. Compare the table of benchmark results to find out which graphic card is better.