Comparison of PowerColor Radeon RX 5500 XT 4G video card vs Sapphire Nitro+ Radeon RX 5500 XT 8G SE video card by specifications and benchmarks. PowerColor Radeon RX 5500 XT 4G runs at 1.647 GHz+ 2 % base clock speed and has 4 GB of GDDR6 memory, while video card Sapphire Nitro+ Radeon RX 5500 XT 8G SE runs at 1.607 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 130 W, and the second is 135 W+ 4 %. Compare the table of benchmark results to find out which graphic card is better.