Comparison of PowerColor Radeon RX 5600 XT V2 video card vs ASUS ROG Strix Radeon RX 6600 XT OC video card by specs and benchmarks. PowerColor Radeon RX 5600 XT V2 runs at 1.130 GHz base clock speed and has 6 GB of GDDR6 memory, while video card ASUS ROG Strix Radeon RX 6600 XT OC runs at 1.130 GHz base clock speed and has 8 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 160 W, and the second is 160 W . Compare the benchmark results to find out which video card is better.