Comparison of PowerColor Red Devil Radeon RX 6800 XT video card vs PNY RTX A6000 video card by specs and benchmarks. PowerColor Red Devil Radeon RX 6800 XT runs at 1.900 GHz+ 4 % base clock speed and has 16 GB of GDDR6 memory, while video card PNY RTX A6000 runs at 1.900 GHz+ 4 % base clock speed and has 48 GB of GDDR6 memory. The weight is different, 1610 g vs --. The TDP of the first video card is 300 W, and the second is 300 W . Compare the benchmark results to find out which video card is better.