Comparison of GALAX GeForce GTX 960 Gamer OC video card vs ASUS TUF Gaming X3 GeForce GTX 1660 OC video card by specs and benchmarks. GALAX GeForce GTX 960 Gamer OC runs at 1.190 GHz+ 6 % base clock speed and has 2 GB of GDDR5 memory, while video card ASUS TUF Gaming X3 GeForce GTX 1660 OC runs at 1.190 GHz+ 6 % base clock speed and has 6 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 120 W, and the second is 120 W . Compare the benchmark results to find out which video card is better.