Comparison of ASRock Radeon RX 6600 Challenger D video card vs MSI GeForce RTX 2080 Duke 8G OCV1 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 MSI GeForce RTX 2080 Duke 8G OCV1 runs at 1.515 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 245 W+ 14 %. Compare the table of benchmark results to find out which graphic card is better.