Comparison of GALAX GeForce GTX 1660 (1-Click OC) video card vs GIGABYTE GeForce RTX 2070 GAMING 8G video card by specifications and benchmarks. GALAX GeForce GTX 1660 (1-Click OC) runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card GIGABYTE GeForce RTX 2070 GAMING 8G runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 120 W, and the second is 175 W. Compare the table of benchmark results to find out which graphic card is better.