Comparison of Zotac GeForce GTX 970 Dual Fan video card vs GIGABYTE GeForce GTX 970 Twin Turbo video card by specs and benchmarks. Zotac GeForce GTX 970 Dual Fan runs at 1.076 GHz+ 2 % base clock speed and has 4 GB of GDDR5 memory, while video card GIGABYTE GeForce GTX 970 Twin Turbo runs at 1.076 GHz+ 2 % base clock speed and has 4 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 145 W-2 %, and the second is 145 W-2 % . Compare the benchmark results to find out which video card is better.