Comparison of ASUS ROG Strix Radeon RX 6600 XT OC video card vs GALAX GeForce RTX 2080 SG Edition 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 GALAX GeForce RTX 2080 SG Edition runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.