Comparison of PowerColor Red Devil Radeon RX 6750 XT 12GB video card vs GIGABYTE GeForce RTX 2080 Ti Turbo 11G (Rev. 2.0) video card by specifications and benchmarks. PowerColor Red Devil Radeon RX 6750 XT 12GB runs at 2.200 GHz base clock speed and has 12 GB of GDDR6 memory, while video card GIGABYTE GeForce RTX 2080 Ti Turbo 11G (Rev. 2.0) runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.