Comparison of Sapphire Radeon RX 5700 8G video card vs EVGA GeForce GTX 1070 Ti SC GAMING video card by specs and benchmarks. Sapphire Radeon RX 5700 8G runs at 1.465 GHz base clock speed and has 8 GB of GDDR6 memory, while video card EVGA GeForce GTX 1070 Ti SC GAMING 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.