Asus has announced the availability of the TUF Gaming series with the latest NVIDIA Turing GTX 1660 Ti graphics. The TUF Gaming series is available in FX505 and FX705 SKUs and come with AMD Zen+ Ryzen 5 3550H and Ryzen 7 3750H CPU options. Apart from the new GTX 16-series GPU option, these laptops are otherwise identical to the original TUF Gaming series with Radeon RX 560X graphics announced during CES 2019.
https://www.notebookcheck.net/Asus-TUF-Gaming-FX505-and-FX705-now-available-with-AMD-Zen-Ryzen-CPUs-and-NVIDIA-GeForce-GTX-1660-Ti.418770.0.html