What is Pixel Density? What is PPI?

Pixel density can be expressed as the number of pixels per inch. Due to the pixel density, two screens of the same width may not be able to give the same resolution. As you know, the development of technology is not about making larger monitors, but increasing the image quality of what has been done. In the past, a 15.5 inch notebook monitor could only give us 720p quality images, today we can easily find full hd and even 4k notebook monitors. Of course, the same is true for our phones and tablets.

This value is expressed in ppi. In this context, we can say that the pixel density of some devices and PPI mean the same. It would not be wrong to think that the concepts you hear pixel precision, pixel density, ppi mean the same.

The devices we use most frequently in our daily lives are our mobile devices, our phones. Therefore, this concept is also very important in these devices. Although there are much smaller screens compared to screens such as televisions and monitors, the number of pixels per inch is very important because we can keep them very close to our eyes. Let’s say the phone you are using has a 5 inch (12.7 CM) screen. It has a pixel sensitivity as high as 600 PPI. Then you can reach a high number of pixels in your image and you can guess that the resolution of your phone is also quite high.

So when buying a phone, it will be very good for you to focus on your ppi values ​​as well as your screen size is high or low. However, a question such as what is an ideal PPI value often comes to the mind of people who will buy new devices.

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