It's a good thing to push though, frankly. I have a Pixel 2 and my wife has an Iphone 6s. She's held off on upgrading in hopes that the camera on the Xs or Xr would at least be as good as the one on my phone. Unfortunately up until now (if keynote pictures can at all be believed) the Iphone has seriously lagged on low light performance. Below is an example - the first two pictures are taken with the Iphone 8 plus dual camera - which isn't that different than the X, and the second set were taken at the same time with my Pixel 2. No flash on either set of pictures, and straight from the camera with no post processing. The iphone 8 pictures were texted to me, which of course does reduce the quality, but I think you will agree that this doesn't really make any difference. I used the reduced quality Pixel photos too, to make it more fair.
Iphone 8 Plus:
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Pixel 2:
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