Your screen
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Get accurate information about your screen size, resolution, pixel ratio, and aspect ratio without sharing your data.
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Did you know?
Screen size is measured diagonally, not by width or height.
Your screen overview
Screen size
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Diagonal
Resolution
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Screen
Aspect ratio
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Orientation
Pixel density
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PPI
Color depth
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Color
Pixel ratio
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DPR
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Will Your Website Work on iPhone Duo? Foldable CSS and Viewport Guide
A responsive site that passes on a 6.3-inch iPhone can still break when the Duo opens to a wide inner panel. This guide explains cover vs inner viewports, which CSS features matter on foldables, and how to test without guessing from resolution alone.
iPhone Duo vs Galaxy Z Fold8 Screen Size: Cover and Inner Displays
iPhone Duo and Galaxy Z Fold8 are both book-style foldables with cover and inner screens. The inner diagonals match at 7.6 inches, but resolution, aspect ratio, and PPI diverge. Here is a side-by-side screen size comparison from our device database.
iPhone Duo Screen Size: Inner vs Outer Display Specs
The iPhone Duo has two screens: a 6.3-inch cover display when folded and a 7.6-inch inner display when open. Here is how the outer and inner panels differ in inches, resolution, PPI, aspect ratio, and what that means for everyday use and responsive layout.