Comparison of Sapphire Nitro+ Radeon RX 6900 XT SE (Rev 2.0) video card vs Manli GeForce RTX 3080 - 10GB (M3478) video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 6900 XT SE (Rev 2.0) runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory, while video card Manli GeForce RTX 3080 - 10GB (M3478) runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 363 W+ 21 %, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.