Comparison of ASRock Radeon RX 6600 Challenger D video card vs Gigabyte GeForce GTX 1650 Low Profile 4G 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 Gigabyte GeForce GTX 1650 Low Profile 4G runs at 1.485 GHz base clock speed and has 4 GB of GDDR5 memory. The TDP of the first video card is 132 W, and the second is 75 W. Compare the table of benchmark results to find out which graphic card is better.