Comparison of Sapphire Nitro+ Radeon RX 6800 video card vs NVIDIA GeForce RTX 3080 Founders Edition video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 6800 runs at 1.850 GHz+ 9 % base clock speed and has 16 GB of GDDR6 memory, while video card NVIDIA GeForce RTX 3080 Founders Edition runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 250 W, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.