Comparison of ASUS ROG Strix Radeon RX 6600 XT OC video card vs PowerColor Fighter Radeon RX 6500 XT 4GB video card by specifications and benchmarks. ASUS ROG Strix Radeon RX 6600 XT OC runs at 2.000 GHz+ 2 % base clock speed and has 8 GB of GDDR6 memory, while video card PowerColor Fighter Radeon RX 6500 XT 4GB runs at 2.200 GHz base clock speed and has 4 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 107 W. Compare the table of benchmark results to find out which graphic card is better.