RTX 2070 or 2080 for play a long time

Oct 26, 2018
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Actually i have a:

GPU: MSI GTX 970 Gaming
CPU: Ryzen 7 1700 GHZ 3.2
RAM: 8gb DDR4 3000MHZ

and a resolution: 2,560 x 1,080 @ 60Hz

So, the things is that I want to upgrade and I know that the rtx 2080 is for 4k but my main goal is to make sure I have a good time playing on max settings, especially for the releases that are coming. Probably next year I will buy a 1440 monitor "maybe" ...

So, do I really need a rtx 2080?
or with an RTX 2070 is enough?

GTX 1080 or 1080ti I do not consider them as I would like to take advantage of the Raytracing and DLSS in the future.


I do not live in the United States, so the prices of these gpus are not very nice, Currently I can easily buy the 2070 but it will require a little more effort for a 2080.

Hope you can help me, thanks.