Comparison of Gainward GeForce GTX 1080 Ti Phoenix GS video card vs ZOTAC GAMING GeForce RTX 3070 Ti Trinity OC video card by specifications and benchmarks. Gainward GeForce GTX 1080 Ti Phoenix GS runs at 1.556 GHz+ 5 % base clock speed and has 11 GB of GDDR5X memory, while video card ZOTAC GAMING GeForce RTX 3070 Ti Trinity OC runs at 1.580 GHz base clock speed and has 8 GB of GDDR6X memory. The TDP of the first video card is 250 W, and the second is 310 W+ 7 %. Compare the table of benchmark results to find out which graphic card is better.