Comparison of ZOTAC GeForce GTX 1070 Twin Fan video card vs ASUS TUF Gaming GeForce RTX 3080 OC 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 ASUS TUF Gaming GeForce RTX 3080 OC runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 220 W+ 47 %, and the second is 340 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.