Comparison of PowerColor Fighter Radeon RX 6700 XT video card vs ASUS Dual GeForce RTX 3070 SI Edition video card by specifications and benchmarks. PowerColor Fighter Radeon RX 6700 XT runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory, while video card ASUS Dual GeForce RTX 3070 SI Edition runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 230 W, and the second is 220 W. Compare the table of benchmark results to find out which graphic card is better.