Comparison of Gainward GeForce GTX 1080 Ti Phoenix GS video card vs ZOTAC Gaming GeForce RTX 3080 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 3080 Trinity OC runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 250 W, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.