Comparison of ASRock Radeon RX 6600 Challenger ITX video card vs GIGABYTE GeForce RTX 3070 Gaming OC 8G (rev. 2.0) LHR video card by specifications and benchmarks. ASRock Radeon RX 6600 Challenger ITX runs at 1.626 GHz base clock speed and has 8 GB of GDDR6 memory, while video card GIGABYTE GeForce RTX 3070 Gaming OC 8G (rev. 2.0) LHR 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 240 W+ 9 %. Compare the table of benchmark results to find out which graphic card is better.