Comparison of XFX Speedster MERC 319 Radeon RX 6700 XT Black Gaming video card vs GIGABYTE GeForce RTX 2070 MINI ITX 8G 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 GIGABYTE GeForce RTX 2070 MINI ITX 8G runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 211 W-8 %, and the second is 175 W. Compare the table of benchmark results to find out which graphic card is better.