Comparison of SAPPHIRE NITRO+ Radeon RX 6700 XT video card vs NVIDIA GeForce RTX 3070 Laptop (Mobile) - 115 W video card by specifications and benchmarks. SAPPHIRE NITRO+ Radeon RX 6700 XT runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory, while video card NVIDIA GeForce RTX 3070 Laptop (Mobile) - 115 W runs at 1.110 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 260 W+ 13 %, and the second is 115 W. Compare the table of benchmark results to find out which graphic card is better.