Comparison of GIGABYTE GeForce GTX 980 Ti Xtreme Gaming video card vs ZOTAC GeForce GTX 980 Ti AMP! video card by specifications and benchmarks. GIGABYTE GeForce GTX 980 Ti Xtreme Gaming runs at 1.241 GHz+ 24 % base clock speed and has 6 GB of GDDR5 memory, while video card ZOTAC GeForce GTX 980 Ti AMP! runs at 1.051 GHz+ 5 % base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 250 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.