Comparison of PowerColor Radeon RX 6700 XT video card vs MSI GeForce GTX 1070 GAMING Z 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 MSI GeForce GTX 1070 GAMING Z 8G runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 230 W, and the second is 150 W. Compare the table of benchmark results to find out which graphic card is better.