3.5x density
Each CSS pixel of Samsung Galaxy Note8 is rendered by 3.5 physical pixels. Any image, icon, or font provided in simple resolution appears immediately blurry.
Samsung · Android 7.1.1 · Smartphone · 2017
All display characteristics of Samsung Galaxy Note8, smartphone Samsung from 2017: CSS viewport of 414 x 846 pixels, 3.5x density, media queries, and one-click responsive test.
Test your site on Samsung Galaxy Note8 directly in your browser, without buying the device.
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Each CSS pixel of Samsung Galaxy Note8 is rendered by 3.5 physical pixels. Any image, icon, or font provided in simple resolution appears immediately blurry.
The hardware of Samsung Galaxy Note8 dates from 2017. Its processor makes costly animations, heavy scripts, and display times visible that recent devices mask.
The 414 x 846 pixels viewport of Samsung Galaxy Note8 rarely matches the round breakpoints of frameworks. It is precisely between these values that layouts break.
This is the resolution that interests designers and developers the most, as it determines breakpoints and the definition of media queries. In practice, it's the only one mentioned in a stylesheet.
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.
3.5
The device pixel ratio of Samsung Galaxy Note8 is 3.5.
In other words, a 1-pixel square in CSS occupies 3.5 pixels on the panel. An image exported at actual size will appear blurry.
This resolution is the hardware's. It explains the display's sharpness, but it's never the one to target in a media query.
521 pixels per inch (ppi) · 6.3 inches diagonal, or 16 cm
These snippets are generated from the exact characteristics of Samsung Galaxy Note8. Copy them directly into your stylesheet or configuration.
Targets screens whose width matches that of Samsung Galaxy Note8 and models of the same format.
@media only screen and (min-width: 414px) and (max-width: 845px) {
/* Samsung Galaxy Note8 */
}Serves high-resolution images to screens of at least 3.5x.
@media only screen and (-webkit-min-device-pixel-ratio: 3.5),
only screen and (min-resolution: 336dpi) {
/* High-density images and icons */
}Adds a named breakpoint at the exact width of Samsung Galaxy Note8.
// tailwind.config.js
module.exports = {
theme: {
screens: {
'samsung-galaxy-note8': '414px'
}
}
}Detects format and density client-side.
const isDeviceWidth = window.matchMedia('(min-width: 414px)').matches;
const isHighDensity = window.devicePixelRatio >= 3.5;Essential for Samsung Galaxy Note8 to use its CSS viewport and not a simulated width of 980 pixels.
<meta name="viewport" content="width=device-width, initial-scale=1">Mobile FIRST does not yet include Samsung Galaxy Note8, but a model with the same format is available. You can already validate your breakpoints and display density.
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.
These 1 devices share exactly the viewport of 414 x 846 pixels and the 3.5x density of Samsung Galaxy Note8. Their CSS rendering is therefore exactly the same: what you validate on one is valid on all others.
The neighboring formats of Samsung Galaxy Note8 are the ones to test right after, as they reveal poorly placed breakpoints.
| Model | CSS Viewport | Pixel density | Manufacturer resolution |
|---|---|---|---|
| Samsung Galaxy Note8 | 414 x 846 | 3.5x | 1440 x 2960 |
| Samsung Galaxy Z Flip3 | 360 x 880 | 3x | 1080 x 2640 |
| Samsung Galaxy Note9 | 414 x 846 | 3.5x | 1440 x 2960 |
| Samsung Galaxy Note20 Ultra | 412 x 883 | 3.5x | 1440 x 3088 |
| Apple iPhone XR | 414 x 896 | 2x | 828 x 1792 |
| Apple iPhone 11 | 414 x 896 | 2x | 828 x 1792 |
| Apple iPhone 11 Pro Max | 414 x 896 | 3x | 1242 x 2688 |
The CSS viewport of Samsung Galaxy Note8 measures 414 pixels wide and 846 pixels high. This is the width to use for defining your media queries, not the manufacturer's resolution.
The device pixel ratio of Samsung Galaxy Note8 is 3.5. Each CSS pixel is thus displayed by 3.5 physical pixels, requiring you to provide your images in 3.5x to keep them sharp.
The panel of Samsung Galaxy Note8 displays 1440 x 2960 physical pixels. This is the value reported by most analytics tools, while your CSS works on a viewport of 414 x 846 pixels.
1 other models share exactly the viewport of 414 x 846 pixels and the 3.5x density of Samsung Galaxy Note8: Samsung Galaxy Note9. A rendering validated on one is valid on all others.
Install the Mobile FIRST extension on Chrome, Firefox, or Edge, then select Samsung Galaxy Note8. Your page displays in a viewport of 414 x 846 pixels with the corresponding mobile User-Agent, in two clicks and for free.
DevTools resizes the window and applies partial emulation. Mobile FIRST additionally applies the User-Agent of Samsung Galaxy Note8, touch events, scroll behavior, and the actual appearance of the device, and allows capturing directly usable images and videos.
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.
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.
A media query on the exact width targets Samsung Galaxy Note8: @media only screen and (min-width: 414px). Combine it with the pixel density to precisely target this model and those sharing its format.
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