Comparison of PowerColor Liquid Devil Radeon RX 6900 XT video card vs PNY RTX A2000 12GB video card by specifications and benchmarks. PowerColor Liquid Devil Radeon RX 6900 XT runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory, while video card PNY RTX A2000 12GB runs at 0.562 GHz base clock speed and has 12 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 70 W. Compare the table of benchmark results to find out which graphic card is better.