Comparison of ASRock Radeon RX 6950 XT OC Formula 16GB video card vs PowerColor Red Devil Radeon RX 6950 XT 16GB video card by specifications and benchmarks. ASRock Radeon RX 6950 XT OC Formula 16GB runs at 2.143 GHz+ 11 % base clock speed and has 16 GB of GDDR6 memory, while video card PowerColor Red Devil Radeon RX 6950 XT 16GB runs at 1.925 GHz base clock speed and has 16 GB of GDDR6 memory. The TDP of the first video card is 335 W, and the second is 335 W. Compare the table of benchmark results to find out which graphic card is better.