Comparison of Gainward GeForce GTX 1080 Ti Phoenix video card vs ASUS ROG Strix GeForce RTX 3080 Ti OC video card by specifications and benchmarks. Gainward GeForce GTX 1080 Ti Phoenix runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory, while video card ASUS ROG Strix GeForce RTX 3080 Ti OC runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 250 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.