https://www.techradar.com/news/google-pixel-3-xl-hands-on-reveals-the-phone-in-full

We’re now very close to the October 9 announcement of the Google Pixel 3 and Google Pixel 3 XL, but ahead of that someone has seemingly gone hands on with the XL model, showing the phone in full as well as highlighting most of the specs.

And when we say ‘someone’ has gone hands on with it, we mean Engadget, which makes for a fairly reputable source.