Comparison of GALAX GeForce GTX 1070 Ti EX video card vs ZOTAC GeForce GTX 1070 Ti AMP Extreme video card by specs and benchmarks. GALAX GeForce GTX 1070 Ti EX runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ZOTAC GeForce GTX 1070 Ti AMP Extreme runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 180 W, and the second is 180 W . Compare the benchmark results to find out which video card is better.