Comparison of Zotac GeForce GTX 970 Blower video card vs ASUS GeForce GTX 970 DirectCU II Black video card by specifications and benchmarks. Zotac GeForce GTX 970 Blower runs at 1.050 GHz base clock speed and has 4 GB of GDDR5 memory, while video card ASUS GeForce GTX 970 DirectCU II Black runs at 1.050 GHz base clock speed and has 4 GB of GDDR5 memory. The TDP of the first video card is 145 W-2 %, and the second is 145 W-2 %. Compare the table of benchmark results to find out which graphic card is better.