Comparison of Sapphire Nitro+ Radeon RX Vega 56 video card vs NVIDIA GeForce RTX 3080 Laptop (Mobile) - 135 W video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX Vega 56 runs at 1.266 GHz+ 10 % base clock speed and has 8 GB of HBM2 memory, while video card NVIDIA GeForce RTX 3080 Laptop (Mobile) - 135 W runs at 1.260 GHz+ 14 % base clock speed and has 16 GB of GDDR6 memory. The TDP of the first video card is 325 W+ 55 %, and the second is 135 W+ 17 %. Compare the table of benchmark results to find out which graphic card is better.