Comparison of Sapphire Nitro+ Radeon RX 5700 XT 8G SE video card vs Sapphire Nitro+ Radeon RX 6900 XT SE video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 5700 XT 8G SE runs at 1.840 GHz+ 15 % base clock speed and has 8 GB of GDDR6 memory, while video card Sapphire Nitro+ Radeon RX 6900 XT SE runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory. The TDP of the first video card is 285 W+ 27 %, and the second is 363 W+ 21 %. Compare the table of benchmark results to find out which graphic card is better.