Comparison of PowerColor Liquid Devil Radeon RX 6900 XT video card vs MANLI GeForce RTX 3070 Ti LHR (M3514+N651-03) video card by specifications and benchmarks. PowerColor Liquid Devil Radeon RX 6900 XT runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory, while video card MANLI GeForce RTX 3070 Ti LHR (M3514+N651-03) runs at 1.575 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.