Comparison of PowerColor Radeon RX Vega 56 Red Devil video card vs ZOTAC GAMING GeForce RTX 2080 Ti ArcticStorm video card by specifications and benchmarks. PowerColor Radeon RX Vega 56 Red Devil runs at 1.308 GHz+ 13 % base clock speed and has 8 GB of HBM2 memory, while video card ZOTAC GAMING GeForce RTX 2080 Ti ArcticStorm runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 210 W, and the second is 300 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.