Comparison of PowerColor Radeon RX 5600 XT ITX video card vs Sapphire Radeon RX 5700 XT 8G video card by specifications and benchmarks. PowerColor Radeon RX 5600 XT ITX runs at 1.130 GHz base clock speed and has 6 GB of GDDR6 memory, while video card Sapphire Radeon RX 5700 XT 8G runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 225 W. Compare the table of benchmark results to find out which graphic card is better.