https://www.cnet.com/news/pixel-3-vs-iphone-xs-which-phone-has-the-best-camera-portrait/

Read CNET's reviews of the Pixel 3 and iPhone XS here.

It's called HDR+ or HDR+ Extended on the Pixel 3, while the iPhone XS has Smart HDR. Both work in similar ways, by combining multiple exposures to boost the dynamic range of your photos.