Comparison of ASRock Radeon RX 6700 XT Challenger D 12GB OC video card vs ZOTAC GeForce GTX 1080 IceStorm 2X video card by specifications and benchmarks. ASRock Radeon RX 6700 XT Challenger D 12GB OC runs at 2.330 GHz base clock speed and has 12 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 230 W, and the second is 230 W+ 28 %. Compare the table of benchmark results to find out which graphic card is better.