Comparison of XFX Radeon RX 5700 XT Thicc III video card vs EVGA GeForce RTX 3080 XC3 GAMING 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 EVGA GeForce RTX 3080 XC3 GAMING 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.