Comparison of Sapphire Radeon RX 5700 XT 8G video card vs NVIDIA GeForce RTX 3080 Laptop (Mobile) - 115 W video card by specifications and benchmarks. Sapphire Radeon RX 5700 XT 8G runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory, while video card NVIDIA GeForce RTX 3080 Laptop (Mobile) - 115 W runs at 1.110 GHz base clock speed and has 16 GB of GDDR6 memory. The TDP of the first video card is 225 W, and the second is 115 W. Compare the table of benchmark results to find out which graphic card is better.