Comparison of PowerColor Radeon RX 5600 XT video card vs GALAX RTX 3070 EX (1-Click OC) video card by specifications and benchmarks. PowerColor Radeon RX 5600 XT runs at 1.130 GHz base clock speed and has 6 GB of GDDR6 memory, while video card GALAX RTX 3070 EX (1-Click OC) runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 220 W. Compare the table of benchmark results to find out which graphic card is better.