Comparison of GALAX GeForce GTX 970 HOF video card vs Zotac GeForce GTX 970 AMP! Extreme Core video card by specs and benchmarks. GALAX GeForce GTX 970 HOF runs at 1.228 GHz+ 17 % base clock speed and has 4 GB of GDDR5 memory, while video card Zotac GeForce GTX 970 AMP! Extreme Core runs at 1.228 GHz+ 17 % 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.