Comparison of Gainward GeForce GTX 1070 Ti Phoenix video card vs GIGABYTE Radeon RX 5700 Gaming 8G video card by specs and benchmarks. Gainward GeForce GTX 1070 Ti Phoenix runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory, while video card GIGABYTE Radeon RX 5700 Gaming 8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR6 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.