Characteristics of the iMac 24" (2021)

Viewport resolution (CSS rules)

It is the resolution that interests designers and developers the most because it determines the breakpoints and the definition of media queries. In general we only talk about this resolution.
For the iMac 24" (2021) it is :

• 2048 pixels width
• 1152 pixels height ⚠️ the height is indicative because the Safari browser, Chrome, etc. reduce the visible area

ℹ️ Some analytics tools only display the manufacturer resolution (below) and not the one presented above, so be careful when interpreting the results.

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Pixel density

On the iMac 24" (2021) it is 2

If you want to target devices with at least this pixel density in CSS, you can use this media query.

                        
                            @media only screen and (-webkit-min-device-pixel-ratio: 2) {

                                /* CSS */

                            }
                        
                    

Also in javascript, it is possible to retrieve the value of the pixel density.

                        
                            window.devicePixelRatio

                            // Which will return the figure 2

                        
                    

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Manufacturer resolution iMac 24" (2021)

Given the pixel density this gives:

• 4096 pixels width
• 2304 pixels height

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Free HQ mockup PNG format