Comparison of PowerColor Radeon RX 6700 XT video card vs GIGABYTE GeForce RTX 3070 Eagle 8G video card by specifications and benchmarks. PowerColor Radeon RX 6700 XT runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory, while video card GIGABYTE GeForce RTX 3070 Eagle 8G runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 230 W, and the second is 240 W+ 9 %. Compare the table of benchmark results to find out which graphic card is better.