Comparison of XFX Speedster MERC 319 Radeon RX 6900 XT Black Gaming video card vs Colorful iGame GeForce RTX 3060 Ti Ultra OC-V video card by specifications and benchmarks. XFX Speedster MERC 319 Radeon RX 6900 XT Black Gaming runs at 1.950 GHz+ 7 % base clock speed and has 16 GB of GDDR6 memory, while video card Colorful iGame GeForce RTX 3060 Ti Ultra OC-V runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 240 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.