Comparison of PowerColor Radeon RX 5700 XT Red Devil video card vs ZOTAC GAMING GeForce RTX 2080 Ti Blower video card by specifications and benchmarks. PowerColor Radeon RX 5700 XT Red Devil runs at 1.770 GHz+ 10 % base clock speed and has 8 GB of GDDR6 memory, while video card ZOTAC GAMING GeForce RTX 2080 Ti Blower runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 225 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.