Comparison of SAPPHIRE NITRO+ Radeon RX 6700 XT video card vs MSI GeForce RTX 3090 Gaming X Trio 24G 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 MSI GeForce RTX 3090 Gaming X Trio 24G runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 260 W+ 13 %, and the second is 370 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.