Comparison of Sapphire Pulse Radeon RX 570 8GD5 video card vs ZOTAC GeForce GTX 1070 Founders Edition video card by specifications and benchmarks. Sapphire Pulse Radeon RX 570 8GD5 runs at 1.168 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ZOTAC GeForce GTX 1070 Founders Edition 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.