Comparison of NVIDIA GeForce GTX 970 video card vs Zotac GeForce GTX 970 Blower video card by specs and benchmarks. NVIDIA GeForce GTX 970 runs at 1.050 GHz base clock speed and has 4 GB of GDDR5 memory, while video card Zotac GeForce GTX 970 Blower runs at 1.050 GHz 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.