Comparison of Zotac GeForce GTX 970 AMP! video card vs Zotac GeForce GTX 970 Blower video card by specs and benchmarks. Zotac GeForce GTX 970 AMP! runs at 1.114 GHz+ 6 % base clock speed and has 4 GB of GDDR5 memory, while video card Zotac GeForce GTX 970 Blower runs at 1.114 GHz+ 6 % 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.