Comparison of ASUS Phoenix GeForce GTX 1660 OC video card vs Gainward GeForce RTX 2060 Ghost video card by specifications and benchmarks. ASUS Phoenix GeForce GTX 1660 OC runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card Gainward GeForce RTX 2060 Ghost runs at 1.365 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 120 W, and the second is 160 W. Compare the table of benchmark results to find out which graphic card is better.