Comparison of ASRock Radeon RX 5500 XT Challenger ITX 8G video card vs MSI Radeon RX 5500 XT Gaming 4G video card by specs 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 MSI Radeon RX 5500 XT Gaming 4G runs at 1.607 GHz base clock speed and has 4 GB of GDDR6 memory. The weight is different, -- vs 869 g. The TDP of the first video card is 130 W, and the second is 130 W . Compare the benchmark results to find out which video card is better.