Comparison of ASRock Radeon RX 6600 Challenger D video card vs ZOTAC Gaming GeForce RTX 3070 AMP Holo 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 ZOTAC Gaming GeForce RTX 3070 AMP Holo 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.