Comparison of ASUS TUF Gaming X3 GeForce GTX 1660 OC video card vs GIGABYTE GeForce GTX 960 MINI OC 4GB video card by specs and benchmarks. ASUS TUF Gaming X3 GeForce GTX 1660 OC runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card GIGABYTE GeForce GTX 960 MINI OC 4GB runs at 1.530 GHz base clock speed and has 4 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.