Comparison of XFX Radeon RX 6800 video card vs Colorful iGame GeForce RTX 3070 Neptune OC-V video card by specifications and benchmarks. XFX Radeon RX 6800 runs at 1.700 GHz 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 250 W, and the second is 270 W+ 23 %. Compare the table of benchmark results to find out which graphic card is better.