Comparison of XFX Speedster MERC 319 Radeon RX 6900 XT Ultra Gaming video card vs NVIDIA GeForce RTX 3070 Laptop (Mobile) - 120 W video card by specifications and benchmarks. XFX Speedster MERC 319 Radeon RX 6900 XT Ultra Gaming runs at 1.925 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory, while video card NVIDIA GeForce RTX 3070 Laptop (Mobile) - 120 W runs at 1.170 GHz+ 5 % base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 120 W+ 4 %. Compare the table of benchmark results to find out which graphic card is better.