Comparison of XFX Speedster MERC 319 Radeon RX 6900 XT Black Gaming video card vs NVIDIA GeForce RTX 3060 Laptop (Mobile) - 105 W 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 NVIDIA GeForce RTX 3060 Laptop (Mobile) - 105 W runs at 1.305 GHz+ 45 % base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 105 W+ 31 %. Compare the table of benchmark results to find out which graphic card is better.