Comparison of Sapphire Pulse Radeon RX 5700 8G video card vs ZOTAC GeForce GTX 1070 Ti AMP Edition video card by specs 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 ZOTAC GeForce GTX 1070 Ti AMP Edition runs at 1.540 GHz+ 5 % 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.