Comparison of PowerColor Radeon RX 5500 XT ITX 4G video card vs GIGABYTE GeForce RTX 2080 Turbo 8G video card by specifications and benchmarks. PowerColor Radeon RX 5500 XT ITX 4G runs at 1.607 GHz base clock speed and has 4 GB of GDDR6 memory, while video card GIGABYTE GeForce RTX 2080 Turbo 8G runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 130 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.