Comparison of Sapphire Nitro+ Radeon RX 5500 XT 8G SE video card vs GALAX GeForce GTX 1080 Ti EX OC video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 5500 XT 8G SE runs at 1.607 GHz base clock speed and has 8 GB of GDDR6 memory, while video card GALAX GeForce GTX 1080 Ti EX OC runs at 1.531 GHz+ 3 % base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 135 W+ 4 %, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.