Comparison of PowerColor Red Devil Radeon RX 6800 XT video card vs NVIDIA GeForce RTX 3080 Laptop (Mobile) - 140 W video card by specifications and benchmarks. PowerColor Red Devil Radeon RX 6800 XT runs at 1.900 GHz+ 4 % base clock speed and has 16 GB of GDDR6 memory, while video card NVIDIA GeForce RTX 3080 Laptop (Mobile) - 140 W runs at 1.275 GHz+ 15 % base clock speed and has 16 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 140 W+ 22 %. Compare the table of benchmark results to find out which graphic card is better.