Comparison of MSI Radeon RX 590 Armor 8G OC video card vs MSI GeForce GTX 1080 Ti LIGHTNING X video card by specifications and benchmarks. MSI Radeon RX 590 Armor 8G OC runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory, while video card MSI GeForce GTX 1080 Ti LIGHTNING X runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 220 W-2 %, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.