Comparison of XFX Radeon RX 5700 XT Thicc III video card vs GALAX GeForce RTX 3080 SG (1-Click OC) 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 GALAX GeForce RTX 3080 SG (1-Click OC) runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 225 W, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.