Comparison of ZOTAC GeForce GTX 980 Ti AMP! video card vs ASUS Strix GeForce GTX 980 Ti OC video card by specs and benchmarks. ZOTAC GeForce GTX 980 Ti AMP! runs at 1.051 GHz+ 5 % base clock speed and has 6 GB of GDDR5 memory, while video card ASUS Strix GeForce GTX 980 Ti OC runs at 1.051 GHz+ 5 % base clock speed and has 6 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 250 W, and the second is 250 W . Compare the benchmark results to find out which video card is better.