Comparison of XFX Radeon RX 5700 XT Thicc III video card vs SAPPHIRE PULSE AMD Radeon RX 6500 XT video card by specifications and benchmarks. XFX Radeon RX 5700 XT Thicc III runs at 1.670 GHz+ 4 % base clock speed and has 8 GB of GDDR6 memory, while video card SAPPHIRE PULSE AMD Radeon RX 6500 XT runs at 2.200 GHz base clock speed and has 4 GB of GDDR6 memory. The TDP of the first video card is 225 W, and the second is 130 W+ 21 %. Compare the table of benchmark results to find out which graphic card is better.