Apple iPhone 13 PRO: CSS viewport of 390 × 844 px, resolution and responsive test

Apple · iOS 16.0 · Smartphone · 2021

Apple iPhone 13 PRO, smartphone Apple from 2021, displays a CSS viewport of 390 x 844 pixels. Below, find its 3x density, ready-to-copy media queries, and how to test your site on it without buying the device.

Test your site on Apple iPhone 13 PRO directly in your browser, without buying the device.

  • Apple iPhone 13 PRO available in the device list
  • Real viewport, User-Agent, and touch events
  • Also works on localhost and in pre-production
  • Exportable screenshots and videos
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Why test your site on Apple iPhone 13 PRO?

3x density

Each CSS pixel of Apple iPhone 13 PRO is rendered by 3 physical pixels. Any image, icon, or font provided in simple resolution appears immediately blurry.

Very elongated screen

With a ratio of 19.5:9, Apple iPhone 13 PRO displays a lot of height for little width. Sections designed in landscape become endless columns, and full-screen visuals are poorly cropped.

Actual media queries

The 390 x 844 pixels viewport of Apple iPhone 13 PRO rarely matches the round breakpoints of frameworks. It is precisely between these values that layouts break.

CSS viewport resolution of Apple iPhone 13 PRO

This is the width your CSS considers. All your breakpoints and media queries compare to this value, not the number of physical pixels on the panel.

  • 390 pixels in width
  • 844 pixels in height

The height remains indicative: Safari, Chrome, and other mobile browsers reduce the visible area with their address bar, which folds on scroll.

Be cautious when analyzing your statistics: some tools only report the manufacturer resolution, never the CSS viewport presented here.

Pixel density of Apple iPhone 13 PRO

3

The device pixel ratio of Apple iPhone 13 PRO is 3.

Your images should therefore be exported 3 times larger than their display size, otherwise they will appear softened on this screen.

Manufacturer resolution of Apple iPhone 13 PRO

This is the actual number of pixels on the panel. This value does not affect your layouts, but it's the one reported by technical specifications and most analytics tools.

  • 1170 pixels in width
  • 2532 pixels in height
  • 19.5:9 Screen ratio

457 pixels per inch (ppi) · 6.1 inches diagonal, or 15.5 cm

User-Agent of Apple iPhone 13 PRO

This string is what the browser of Apple iPhone 13 PRO sends. It is useful for your automated tests, reading your server logs, and server-side detection.

User-Agent

User-Agent string used by Apple iPhone 13 PRO, useful for your automated tests and logs.

Mozilla/5.0 (iPhone; CPU iPhone OS 16_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.0 Mobile/15E148 Safari/604.1

Media queries and code snippets for Apple iPhone 13 PRO

These snippets are generated from the exact characteristics of Apple iPhone 13 PRO. Copy them directly into your stylesheet or configuration.

CSS media query

Targets screens whose width matches that of Apple iPhone 13 PRO and models of the same format.

@media only screen and (min-width: 390px) and (max-width: 843px) {
  /* Apple iPhone 13 PRO */
}

Density media query

Serves high-resolution images to screens of at least 3x.

@media only screen and (-webkit-min-device-pixel-ratio: 3),
       only screen and (min-resolution: 288dpi) {
  /* High-density images and icons */
}

Tailwind configuration

Adds a named breakpoint at the exact width of Apple iPhone 13 PRO.

// tailwind.config.js
module.exports = {
  theme: {
    screens: {
      'apple-iphone-13-pro-2021': '390px'
    }
  }
}

JavaScript detection

Detects format and density client-side.

const isDeviceWidth = window.matchMedia('(min-width: 390px)').matches;
const isHighDensity = window.devicePixelRatio >= 3;

Meta viewport tag

Essential for Apple iPhone 13 PRO to use its CSS viewport and not a simulated width of 980 pixels.

<meta name="viewport" content="width=device-width, initial-scale=1">

Free Apple iPhone 13 PRO simulator

Mobile FIRST includes Apple iPhone 13 PRO: your page displays in a viewport of 390 x 844 pixels, with the model's User-Agent, touch events, and scrolling behavior of a real mobile.

This is where the difference with Chrome DevTools' responsive mode is seen: DevTools resizes a window, the extension replicates the device's browser and allows exporting shareable screenshots and videos.

  1. 01 Install the extension Add Mobile FIRST to Chrome, Firefox, or Edge. Installation is free and requires no account.
  2. 02 Open the page to test Go to the URL to check, including a local address like localhost:3000.
  3. 03 Choose Apple iPhone 13 PRO Select Apple iPhone 13 PRO from the list of devices. The viewport switches to 390 x 844 pixels, and the mobile User-Agent is applied.
  4. 04 Check rendering Scroll, change orientation, test your forms, then capture an image or video to share.

Models sharing the format of Apple iPhone 13 PRO

These 5 devices share exactly the viewport of 390 x 844 pixels and the 3x density of Apple iPhone 13 PRO. Their CSS rendering is therefore exactly the same: what you validate on one is valid on all others.

Comparison with similar models

The neighboring formats of Apple iPhone 13 PRO are the ones to test right after, as they reveal poorly placed breakpoints.

Comparison of resolutions of Apple iPhone 13 PRO and nearby models
Model CSS Viewport Pixel density Manufacturer resolution
Apple iPhone 13 PRO 390 x 844 3x 1170 x 2532
Samsung Galaxy S21 360 x 800 3x 1080 x 2400
Xiaomi Mi 11i 360 x 800 3x 1080 x 2400
Samsung Galaxy Z Flip3 360 x 880 3x 1080 x 2640
Apple iPhone 13 390 x 844 3x 1170 x 2532
Apple iPhone 12 390 x 844 3x 1170 x 2532
Apple iPhone 12 Pro 390 x 844 3x 1170 x 2532

Frequently asked questions about Apple iPhone 13 PRO

What is the CSS viewport resolution of Apple iPhone 13 PRO?

The CSS viewport of Apple iPhone 13 PRO measures 390 pixels wide and 844 pixels high. This is the width to use for defining your media queries, not the manufacturer's resolution.

What is the pixel density of Apple iPhone 13 PRO?

The device pixel ratio of Apple iPhone 13 PRO is 3. Each CSS pixel is thus displayed by 3 physical pixels, requiring you to provide your images in 3x to keep them sharp.

What is the screen resolution of Apple iPhone 13 PRO?

The panel of Apple iPhone 13 PRO displays 1170 x 2532 physical pixels. This is the value reported by most analytics tools, while your CSS works on a viewport of 390 x 844 pixels.

What is the User-Agent of Apple iPhone 13 PRO?

The User-Agent of Apple iPhone 13 PRO is: Mozilla/5.0 (iPhone; CPU iPhone OS 16_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.0 Mobile/15E148 Safari/604.1

Which devices have the same viewport as Apple iPhone 13 PRO?

5 other models share exactly the viewport of 390 x 844 pixels and the 3x density of Apple iPhone 13 PRO: Apple iPhone 12, Apple iPhone 12 Pro, Apple iPhone 13, Apple iPhone 14, Apple iPhone 14 PRO. A rendering validated on one is valid on all others.

How to test my site on Apple iPhone 13 PRO without the device?

Install the Mobile FIRST extension on Chrome, Firefox, or Edge, then select Apple iPhone 13 PRO. Your page displays in a viewport of 390 x 844 pixels with the corresponding mobile User-Agent, in two clicks and for free.

What is the difference with Chrome DevTools' responsive mode?

DevTools resizes the window and applies partial emulation. Mobile FIRST additionally applies the User-Agent of Apple iPhone 13 PRO, touch events, scroll behavior, and the actual appearance of the device, and allows capturing directly usable images and videos.

Can I test a localhost address on Apple iPhone 13 PRO?

Yes. The extension works on any URL open in your browser, including localhost:3000, 127.0.0.1, or a password-protected pre-production environment.

Do you need to buy a Apple iPhone 13 PRO to test your site?

No. The simulation covers the vast majority of development needs at no cost. A final test on a real device is still recommended before critical production deployment, but it's no longer necessary for each iteration.

Which media query to use to target Apple iPhone 13 PRO?

A media query on the exact width targets Apple iPhone 13 PRO: @media only screen and (min-width: 390px). Combine it with the pixel density to precisely target this model and those sharing its format.

Continue testing on another model

All Apple resolutions → All devices →

Other Apple models

Test your site on 77 devices, directly in your browser

Without buying a single phone, without creating an account.

  • 77 devices available upon installation
  • Real viewport, User-Agent, and touch events
  • Also works on localhost and in pre-production
  • Exportable screenshots and videos
Install the extension

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