Comparison of ASUS ROG Strix LC Radeon RX 6800 XT OC video card vs ASUS TUF GAMING Radeon RX 6900 XT OC video card by specifications and benchmarks. ASUS ROG Strix LC Radeon RX 6800 XT OC runs at 1.925 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory, while video card ASUS TUF GAMING Radeon RX 6900 XT OC runs at 1.900 GHz+ 4 % base clock speed and has 16 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 300 W. Compare the table of benchmark results to find out which graphic card is better.