Comparison of GIGABYTE Radeon RX 5500 XT OC 8G video card vs XFX Radeon RX 5700 XT Thicc II video card by specifications and benchmarks. GIGABYTE Radeon RX 5500 XT OC 8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR6 memory, while video card XFX Radeon RX 5700 XT Thicc II runs at 1.605 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 225 W. Compare the table of benchmark results to find out which graphic card is better.