Comparison of ASRock Radeon RX 6600 Challenger D video card vs Palit GeForce GTX 1080 Ti JetStream 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 Palit GeForce GTX 1080 Ti JetStream runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 132 W, and the second is 300 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.