Comparison of GIGABYTE GeForce GTX 970 Twin Turbo OC video card vs KFA2 GeForce GTX 970 Gamer OC video card by specifications and benchmarks. GIGABYTE GeForce GTX 970 Twin Turbo OC runs at 1.101 GHz+ 5 % base clock speed and has 4 GB of GDDR5 memory, while video card KFA2 GeForce GTX 970 Gamer OC runs at 1.126 GHz+ 7 % 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.