Comparison of ASRock Radeon RX 6600 Challenger D video card vs ASUS Dual GeForce RTX 3070 OC video card by specifications and benchmarks. ASRock Radeon RX 6600 Challenger D runs at 1.626 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ASUS Dual GeForce RTX 3070 OC runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 132 W, and the second is 220 W. Compare the table of benchmark results to find out which graphic card is better.