Comparison of PowerColor Radeon RX 5700 XT Red Dragon video card vs ZOTAC Gaming GeForce RTX 3070 Twin Edge OC video card by specifications and benchmarks. PowerColor Radeon RX 5700 XT Red Dragon runs at 1.650 GHz+ 3 % base clock speed and has 8 GB of GDDR6 memory, while video card ZOTAC Gaming GeForce RTX 3070 Twin Edge OC runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 225 W, and the second is 220 W. Compare the table of benchmark results to find out which graphic card is better.