📱Phone

iPhone 13 Pro

Apple

Device Specifications

📐 Display Information

Viewport Size:390x844
Device Resolution:1170x2532
Screen Size:6.1"
Pixel Ratio:3x
Density PPI:460
CSS PPI:153

ℹ️ What is Viewport?

Viewport size (390x844) is the CSS pixel dimensions used in responsive web design and media queries. This is what developers see in browser developer tools.

Device resolution (1170x2532) is the actual number of physical pixels on the screen.

Pixel ratio (3x) means 3physical pixels = 1 CSS pixel. Higher ratios provide sharper displays.

📱 Media Query Breakpoints

@media (max-width: 390px)Portrait width breakpoint
@media (max-width: 844px)Portrait height breakpoint
@media (min-width: 391px)Above this device width

🔍 PPI Explanation

Density PPI:460

Physical pixels per inch (higher = sharper)

CSS PPI:153

Effective PPI for web development

📊 Viewport Comparison

DeviceViewportResolutionScreen SizePixel Ratio
iPhone 13 Pro390x8441170x25326.1"3x
iPhone X375x8121125x24365.8"3x

💡 Notes for Developers

Responsive Design: Use media queries based on viewport width (390px) for this device.
Pixel Density: This device has a 3x pixel ratio, meaning images should be provided in @2x or @3x resolutions.
Touch Targets: Minimum touch target size should be 44x44px for this screen density.
Typography: Base font size of 16px will appear at 153 PPI on this device.