Comparison of Sapphire Nitro+ Radeon RX 5700 XT 8G video card vs ZOTAC GeForce GTX 1080 IceStorm 2X video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 5700 XT 8G runs at 1.770 GHz+ 10 % base clock speed and has 8 GB of GDDR6 memory, while video card ZOTAC GeForce GTX 1080 IceStorm 2X runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 265 W+ 18 %, and the second is 230 W+ 28 %. Compare the table of benchmark results to find out which graphic card is better.