Comparison of ASUS Radeon RX 7900 XTX video card vs PowerColor Red Devil Radeon RX 7900 XTX Limited Edition video card by specifications and benchmarks. ASUS Radeon RX 7900 XTX runs at 1.900 GHz base clock speed and has 24 GB of GDDR6 memory, while video card PowerColor Red Devil Radeon RX 7900 XTX Limited Edition runs at 1.900 GHz base clock speed and has 24 GB of GDDR6 memory. The TDP of the first video card is 355 W, and the second is 355 W. Compare the table of benchmark results to find out which graphic card is better.