Comparison of GIGABYTE Radeon RX 590 Gaming 8G video card vs ASUS Turbo GeForce GTX 1080 TI video card by specifications and benchmarks. GIGABYTE Radeon RX 590 Gaming 8G runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ASUS Turbo GeForce GTX 1080 TI runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 225 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.