Comparison of ASRock Radeon RX 6700 XT Challenger D 12GB video card vs GIGABYTE GeForce GTX 1070 WINDFORCE 8G (rev. 1.0) video card by specifications and benchmarks. ASRock Radeon RX 6700 XT Challenger D 12GB runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory, while video card GIGABYTE GeForce GTX 1070 WINDFORCE 8G (rev. 1.0) runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 230 W, and the second is 150 W. Compare the table of benchmark results to find out which graphic card is better.