Comparison of PowerColor Red Devil Radeon RX 6900 XT Limited Edition video card vs Manli GeForce RTX 3070 Ti Gallardo (M3515+N651-02) 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 Manli GeForce RTX 3070 Ti Gallardo (M3515+N651-02) runs at 1.580 GHz base clock speed and has 8 GB of GDDR6X memory. The TDP of the first video card is 300 W, and the second is 290 W. Compare the table of benchmark results to find out which graphic card is better.