Comparison of PowerColor Red Devil Radeon RX 6900 XT Limited Edition video card vs INNO3D GeForce GTX 1070 Twin X2 video card by specifications and benchmarks. PowerColor Red Devil Radeon RX 6900 XT Limited Edition runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory, while video card INNO3D GeForce GTX 1070 Twin X2 runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 300 W, and the second is 150 W. Compare the table of benchmark results to find out which graphic card is better.