Comparison of Gigabyte Radeon RX 6650 XT GAMING OC 8G video card vs ASRock Radeon RX 6650 XT Challenger D 8GB OC video card by specs and benchmarks. Gigabyte Radeon RX 6650 XT GAMING OC 8G runs at 2.055 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ASRock Radeon RX 6650 XT Challenger D 8GB OC runs at 2.055 GHz base clock speed and has 8 GB of GDDR6 memory. The weight is different, -- vs 640 g. The TDP of the first video card is 180 W+ 2 %, and the second is 180 W+ 2 % . Compare the benchmark results to find out which video card is better.