Comparison of PowerColor Radeon RX 5600 XT Red Devil video card vs GIGABYTE GeForce RTX 2080 Gaming 8G video card by specifications and benchmarks. PowerColor Radeon RX 5600 XT Red Devil runs at 1.130 GHz base clock speed and has 6 GB of GDDR6 memory, while video card GIGABYTE GeForce RTX 2080 Gaming 8G runs at 1.515 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 215 W. Compare the table of benchmark results to find out which graphic card is better.