Comparison of PowerColor Liquid Devil Radeon RX 6800 XT video card vs AMD Radeon Pro VII video card by specifications and benchmarks. PowerColor Liquid Devil Radeon RX 6800 XT runs at 1.900 GHz+ 4 % base clock speed and has 16 GB of GDDR6 memory, while video card AMD Radeon Pro VII runs at 1.400 GHz base clock speed and has 16 GB of HBM2 memory. The TDP of the first video card is 300 W, and the second is 250 W-17 %. Compare the table of benchmark results to find out which graphic card is better.