Comparison of XFX Radeon RX 6700 XT video card vs NVIDIA GeForce RTX 2080 SUPER Founders Edition video card by specifications and benchmarks. XFX Radeon RX 6700 XT runs at 2.330 GHz base clock speed and has 12 GB of GDDR6 memory, while video card NVIDIA GeForce RTX 2080 SUPER Founders Edition runs at 1.650 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 230 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.