Comparison of PowerColor Radeon RX 6800 video card vs ASUS ROG Strix Radeon RX 6750 XT OC Edition video card by specs and benchmarks. PowerColor Radeon RX 6800 runs at 1.700 GHz base clock speed and has 16 GB of GDDR6 memory, while video card ASUS ROG Strix Radeon RX 6750 XT OC Edition runs at 1.700 GHz base clock speed and has 12 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 250 W, and the second is 250 W . Compare the benchmark results to find out which video card is better.