Comparison of Gainward GeForce GTX 1650 D6 Ghost video card vs ASUS Dual GeForce GTX 1660 TI OC video card by specifications and benchmarks. Gainward GeForce GTX 1650 D6 Ghost runs at 1.410 GHz base clock speed and has 4 GB of GDDR6 memory, while video card ASUS Dual GeForce GTX 1660 TI OC runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 75 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.