Are the iPhone 8 Plus and iPhone XS Max the Same Size?
The iPhone 8 Plus and the iPhone XS Max are similar in size overall but the display on the iPhone XS Max is much larger since the top and bottom bezel (and home button) were removed on this model.
iPhone 8 Plus: 158.4 x 78.1 x 7.5mm (HxWxD) Weight: 202 grams
iPhone XS Max: 157.50 x 77.40 x 7.70mm (HxWxD) Weight: 208.00 grams.