Comparison of INNO3D GeForce GTX 1080 Ti Gaming OC video card vs ZOTAC GAMING GeForce RTX 2080 AMP Extreme Core video card by specifications and benchmarks. INNO3D GeForce GTX 1080 Ti Gaming OC runs at 1.556 GHz+ 5 % base clock speed and has 11 GB of GDDR5X memory, while video card ZOTAC GAMING GeForce RTX 2080 AMP Extreme Core runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 260 W+ 4 %, and the second is 280 W+ 30 %. Compare the table of benchmark results to find out which graphic card is better.