Viewport Screens and Resolutions Snapshots

This page offers a visual representation of how the AAA app is viewed
through various size digital screens of some of the most popular viewport resolutions.

360 x 640

480 x 800

600 x 800

768 x 1024

960 x 640

1024 x 600

1024 x 768

1280 x 800

1280 x 1024

1360 x 768

1440 x 900

1600 x 900

1680 x 1050

1920 x 1080

540 x 960 > 360 x 640

At this time, mobile devices have improved so much that their screen resolutions are similar and sometimes even better than desktop screens resolutions.
For example Galaxy S4 of Samsung has 1080X1920 pixels - Full HD screen!
But in responsive design we check resolution and need to fit according the resolution and if you try to add media query, let's say min-width of 1000px and check it on the Samsung Galaxy S4 you will see that nothing happened. The reason for it is that mobile high density screen have two aspect of pixels.
Real resolution
The first resolution is the factory real resolution, it's mostly for videos and images. on Samsung galaxy S4 the real resolution is 1080X1920. CSS resolution
The second resolution is for the browser. and for us developers that means we need to act different and not according the real screen resolution. in Samsung Galaxy S4, CSS resolution is 360X640.
Samsung Galaxy S4 resolution:
Real resolution: 1080X1920
CSS resolution: 360X640