Comparison of Colorful iGame GeForce GTX 1080 Ti Vulcan AD-V video card vs ZOTAC GAMING GeForce RTX 2080 Ti AMP Extreme video card by specifications and benchmarks. Colorful iGame GeForce GTX 1080 Ti Vulcan AD-V runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory, while video card ZOTAC GAMING GeForce RTX 2080 Ti AMP Extreme runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 280 W+ 12 %, and the second is 300 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.