Comparison of XFX Speedster MERC 319 Radeon RX 6700 XT Black Gaming video card vs MSI GeForce RTX 2080 Ti Duke 11G video card by specifications and benchmarks. XFX Speedster MERC 319 Radeon RX 6700 XT Black Gaming runs at 2.457 GHz+ 6 % base clock speed and has 12 GB of GDDR6 memory, while video card MSI GeForce RTX 2080 Ti Duke 11G runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 211 W-8 %, and the second is 260 W+ 4 %. Compare the table of benchmark results to find out which graphic card is better.