Comparison of Sapphire Nitro+ Radeon RX 6900 XT SE video card vs Colorful iGame GeForce RTX 3080 Ultra W OC 12G LHR-V video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 6900 XT SE runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory, while video card Colorful iGame GeForce RTX 3080 Ultra W OC 12G LHR-V runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 363 W+ 21 %, and the second is 360 W+ 3 %. Compare the table of benchmark results to find out which graphic card is better.