Comparison of Colorful iGame GeForce GTX 1660 Ti Ultra 6G-V video card vs ZOTAC GAMING GeForce RTX 3070 Ti AMP Holo video card by specifications and benchmarks. Colorful iGame GeForce GTX 1660 Ti Ultra 6G-V runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card ZOTAC GAMING GeForce RTX 3070 Ti AMP Holo runs at 1.580 GHz base clock speed and has 8 GB of GDDR6X memory. The TDP of the first video card is 120 W, and the second is 310 W+ 7 %. Compare the table of benchmark results to find out which graphic card is better.