Comparison of Colorful iGame GeForce GTX 1070 Ti Vulcan U Top-V video card vs ZOTAC Gaming GeForce RTX 2080 SUPER Triple Fan video card by specifications and benchmarks. Colorful iGame GeForce GTX 1070 Ti Vulcan U Top-V runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ZOTAC Gaming GeForce RTX 2080 SUPER Triple Fan runs at 1.650 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 180 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.