Comparison of ZOTAC GeForce GTX 1070 Twin Fan video card vs Colorful GeForce RTX 3080 Ti NB EX-V video card by specifications and benchmarks. ZOTAC GeForce GTX 1070 Twin Fan runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory, while video card Colorful GeForce RTX 3080 Ti NB EX-V runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 220 W+ 47 %, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.