Comparison of XFX Radeon RX 5700 XT Thicc II Ultra video card vs EVGA GeForce GTX 1660 XC ULTRA GAMING video card by specifications and benchmarks. XFX Radeon RX 5700 XT Thicc II Ultra runs at 1.730 GHz+ 8 % base clock speed and has 8 GB of GDDR6 memory, while video card EVGA GeForce GTX 1660 XC ULTRA GAMING runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 225 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.