Comparison of XFX Radeon RX 5600 XT Thicc III Ultra video card vs Gainward GeForce RTX 3070 Ti Phoenix video card by specifications and benchmarks. XFX Radeon RX 5600 XT Thicc III Ultra runs at 1.130 GHz base clock speed and has 6 GB of GDDR6 memory, while video card Gainward GeForce RTX 3070 Ti Phoenix runs at 1.580 GHz base clock speed and has 8 GB of GDDR6X memory. The TDP of the first video card is 160 W, and the second is 290 W. Compare the table of benchmark results to find out which graphic card is better.