Image resolution in smartphones and laptop [closed]

1. What size should image be on a mobile?
2. Can you tell the difference between 720p and 1080p on a phone?
3. Which screen resolution is best for mobile phones?

What size should image be on a mobile?

Mobile devices display banner images well when they are 1:9, 1:1, 1:1, or 4:5. It also helps to remember that file sizes of images should be kept as small as possible without compromising on quality.

Can you tell the difference between 720p and 1080p on a phone?

Picture Quality

For many, there will be little to no noticeable difference between 1080p — known as Full HD — and 720p — known as HD. However, those who pay more attention will definitely notice that 1080p results in a smoother, clearer image, and that 1080p is clearer than 1080i.

Which screen resolution is best for mobile phones?

Different types of screens. So we've already established that different devices have a wide range of screen sizes and resolutions. But with that said, some resolutions are more popular than others. Based on Internet web traffic from a global perspective, 720 x 1280 pixel smartphones are the most popular.