Samsung S8 Dimensions

5.8 INCH 5.86 x 2.68 x 0.31 INCH

Samsung S8 Resolution

1440 x 2960 PX ~ 568 Pixels Per Inch

Samsung S8 Viewport

360 x 740 PX ~ 142 Pixels Per Inch

Samsung S8 Density

4 xxxhdpi 4x Retina Display

OS Details

Samsung Galaxy S8 has been launched in April 2017.
Samsung Galaxy S8 have Android 7.0 (Nougat)

Screen Dimensions

Samsung Galaxy S8 have 5.8 inch screen which is ~ 83.6% of actual device size. Physical dimensions for Samsung Galaxy S8 device is 5.86 x 2.68 x 0.31 INCH or ( 148.9 x 68.1 x 8 MM).

Displaying of Units are in this order "Height x Width x Thickness"

Screen Pixel Density and CSS Pixel Ratio

"Pixel" is smallest unit/element of any display.

The total number of pixels that fit into an inch is referred to as "Screen Density" or "Pixel Density" and it measured as "Pixels Per Inch".
Pixel Desnsity have limits to display Pixels Per Inch depends on different screen sizes. When number of pixels per inch increases than it's screen-size limit, the Display resolution will increase but actual device width/height in pixels remain same. Actual device pixels are known as Device Independent Pixels or CSS Pixel Ratio.

Samsung Galaxy S8 have ~ 568 pixel density and actual pixel density is about ~ 142 so it have 4 xxxhdpi display pixel density.

Screen Resolution and Viewport

The sum of pixels which are displaying on a device is called as "Screen Resolution". and sum of actual pixels of any device is reffered to as "Viewport".

Samsung Galaxy S8 have 5.8" physical screen size and its resolution is about 1440 x 2960 Pixels with approximately 568 PPI pixel density. Samsung Galaxy S8 has viewport size 360 x 740 Pixels and its pixel ratio is about 4.

For better understanding screen actual sizes, viewport sizes, display resolution and about their density click here.

CSS Media Queries

Samsung Galaxy S8 Media Queries (In terms of Mobile only)

@media only screen and (min-width: 360px) and (max-width: 767px) { /* Your Styles... */ }

Samsung Galaxy S8 Min-Width Media Queries

@media only screen and (min-width: 360px) { /* Your Styles... */ }

Samsung Galaxy S8 Min-Height Media Queries

@media only screen and (min-height: 740px) { /* Your Styles... */ }

Samsung Galaxy S8 Landscape Media Queries

@media only screen and (min-width: 740px) and (orientation: landscape) { /* Your Styles... */ }

Samsung Galaxy S8 Portrait Media Queries

@media only screen and (min-width: 360px) and (orientation: portrait) { /* Your Styles... */ }

Samsung Galaxy S8 Device Width Media Queries

@media only screen and (min-device-width: 360px) and (orientation: portrait) { /* Your Styles... */ }
@media only screen and (min-device-width: 740px) and (orientation: landscape) { /* Your Styles... */ }

Samsung Galaxy S8 Retina Media Queries

@media
  only screen and (-webkit-min-device-pixel-ratio: 4),
  only screen and (   min--moz-device-pixel-ratio: 4),
  only screen and (     -o-min-device-pixel-ratio: 4/1),
  only screen and (        min-device-pixel-ratio: 4),
  only screen and (                min-resolution: 568dpi),
  only screen and (                min-resolution: 4dppx) { 
    /* Retina styles here */
}
                                

Retina is actually based upon device pixel ratio. Devices mostly have 2x or 3x display so you can use general retina media queries to display high resolution content on all kind of devices. Retina 2x and Retina 3x media queries given below:

Retina 2x Media Query

@media
  only screen and (-webkit-min-device-pixel-ratio: 2),
  only screen and (   min--moz-device-pixel-ratio: 2),
  only screen and (     -o-min-device-pixel-ratio: 2/1),
  only screen and (        min-device-pixel-ratio: 2),
  only screen and (                min-resolution: 192dpi),
  only screen and (                min-resolution: 2dppx) { 
    /* Retina styles here */
}
                                

Retina 3x Media Query

@media
  only screen and (-webkit-min-device-pixel-ratio: 3),
  only screen and (   min--moz-device-pixel-ratio: 3),
  only screen and (     -o-min-device-pixel-ratio: 3/1),
  only screen and (        min-device-pixel-ratio: 3),
  only screen and (                min-resolution: 384dpi),
  only screen and (                min-resolution: 3dppx) { 
    /* Retina styles here */
}
                                

Summary

  • Launch Date April 2017
  • Android 7.0
  • Physical Screen Size 5.8 INCH
  • Resolution 1440 x 2960 PX
  • Viewport Size 360 x 740 PX
  • Pixel Density 568 PPI
  • Device-Independent Pixels 142 PPI
  • Pixel Ratio 4 xxxhdpi
  • Width 1440 PX
  • Height 2960 PX
  • Device Width 360 PX
  • Device Height 740 PX
  • Dimensions 148.9 x 68.1 x 8 mm (5.86 x 2.68 x 0.31 in)
  • Weight 155 g - 5.47 oz

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