Comparison of XFX Speedster QICK 319 Radeon RX 6800 Black Gaming video card vs Gainward GeForce RTX 2080 Phantom GLH video card by specifications and benchmarks. XFX Speedster QICK 319 Radeon RX 6800 Black Gaming runs at 1.850 GHz+ 9 % base clock speed and has 16 GB of GDDR6 memory, while video card Gainward GeForce RTX 2080 Phantom GLH runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.