Comparison of ASRock Radeon RX 5500 XT Challenger ITX 8G video card vs ASUS ROG STRIX Radeon RX 6700 XT OC Edition video card by specifications and benchmarks. ASRock Radeon RX 5500 XT Challenger ITX 8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ASUS ROG STRIX Radeon RX 6700 XT OC Edition runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory. The TDP of the first video card is 130 W, and the second is 230 W. Compare the table of benchmark results to find out which graphic card is better.