Comparison of PowerColor Hellhound Radeon RX 6700 XT video card vs GALAX GeForce RTX 2070 EX Gamer (1-Click OC) video card by specifications and benchmarks. PowerColor Hellhound Radeon RX 6700 XT runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory, while video card GALAX GeForce RTX 2070 EX Gamer (1-Click OC) runs at 1.410 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 175 W. Compare the table of benchmark results to find out which graphic card is better.