That is a very good overlock, as most of the Nvidia cards I've tested over the years ... though your results may vary. The RTX 2060 offers the same performance as the GTX 1070 Ti for a lot less ...

It's also a physically large graphics card, which is something else to consider. The Nvidia GeForce RTX 2060 Super offers the same (and in some tests, better) performance as the RTX 2070 for less ...