Comparison of ZOTAC GeForce GTX 1080 Ti AMP Extreme video card vs Colorful GeForce RTX 2080 Ti Turbo-V video card by specifications and benchmarks. ZOTAC GeForce GTX 1080 Ti AMP Extreme runs at 1.645 GHz+ 11 % base clock speed and has 11 GB of GDDR5X memory, while video card Colorful GeForce RTX 2080 Ti Turbo-V runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 320 W+ 28 %, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.