Comparison of Gainward GeForce GTX 970 Phantom video card vs ASUS Strix GeForce GTX 970 OC video card by specifications and benchmarks. Gainward GeForce GTX 970 Phantom runs at 1.152 GHz+ 10 % base clock speed and has 4 GB of GDDR5 memory, while video card ASUS Strix GeForce GTX 970 OC runs at 1.114 GHz+ 6 % base clock speed and has 4 GB of GDDR5 memory. The TDP of the first video card is 145 W-2 %, and the second is 145 W-2 %. Compare the table of benchmark results to find out which graphic card is better.