Comparison of Sapphire Nitro+ Radeon RX 6800 XT SE video card vs Colorful iGame GeForce RTX 3070 Neptune OC-V video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 6800 XT SE runs at 1.925 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory, while video card Colorful iGame GeForce RTX 3070 Neptune OC-V runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 270 W+ 23 %. Compare the table of benchmark results to find out which graphic card is better.