Comparison of PowerColor Radeon RX 5700 video card vs Gainward GeForce GTX 1070 Ti Phoenix GS video card by specs and benchmarks. PowerColor Radeon RX 5700 runs at 1.465 GHz base clock speed and has 8 GB of GDDR6 memory, while video card Gainward GeForce GTX 1070 Ti Phoenix GS runs at 1.465 GHz base clock speed and has 8 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 180 W, and the second is 180 W . Compare the benchmark results to find out which video card is better.