Comparison of Gainward GeForce GTX 980 Ti Phoenix GS video card vs GIGABYTE GeForce GTX 980 Ti Xtreme Gaming video card by specifications and benchmarks. Gainward GeForce GTX 980 Ti Phoenix GS runs at 1.241 GHz+ 24 % base clock speed and has 6 GB of GDDR5 memory, while video card GIGABYTE GeForce GTX 980 Ti Xtreme Gaming runs at 1.241 GHz+ 24 % 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.