Comparison of ASUS TUF GAMING Radeon RX 6900 XT OC video card vs ZOTAC GeForce GTX 1080 ArcticStorm video card by specifications and benchmarks. ASUS TUF GAMING Radeon RX 6900 XT OC runs at 1.900 GHz+ 4 % base clock speed and has 16 GB of GDDR6 memory, while video card ZOTAC GeForce GTX 1080 ArcticStorm runs at 1.632 GHz+ 2 % base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 300 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.