Pixels Per Inch (PPI) 5 Things You Didn't Know About (PPI)

5 Things You Didn't Know About Pixels Per Inch (PPI)
Pixels Per Inch (PPI)

The two terms pixels and PPI are often used interchangeably by many of us, but how much do you really know about pixels per inch? Many people mistakenly believe that the two terms mean the same thing. However, it’s actually quite different. Let’s dive into five things you didn’t know about pixels per inch (PPI).

1) PPI Explained

If you’re into video, display technology or photography in general, you may have come across a term known as PPI. But what is PPI? It refers to pixels per inch, which represents a measurement of how many pixels fit into one linear inch of screen space. The higher your screen's PPI rating, the sharper and more detailed your images will appear. That's because there are more pixels packed in a given area; each pixel therefore needs to be smaller in order to preserve an image's size. Here are five PPI facts you might not know.

2) Pixel Density: The Future of Retina Displays

There's a lot of confusion about pixel density, in part because there are a few different ways to measure it. The most well-known is probably pixels per inch (ppi), which gives you one way to gauge screen resolution. However, since ppi is measured on a flat screen, it doesn't account for things like aspect ratio and distance from your eyes to that screen. A more accurate term is dpi or dots per inch, which takes into account both size and distance—so while two monitors with similar dpi might look identical on paper, they can feel very different when you're actually using them.

3) 4K vs. UHD vs. 1080p - It's all about resolution

A 4K monitor has four times as many pixels as a 1080p display, which means it can display finer details than you'd see on a lower-resolution screen. But there's more to it than that. PPI is often thought of as pixel density, but that's not quite right. Instead, think of a pixel as each individual dot in an image; so something that has 300 pixels per inch still looks good if you view it from far away, but something with 1200 pixels per inch will look smooth and retina-like regardless of how close you get to it. While most PC monitors have a PPI of between 100 and 200, some mobile devices like smartphones have up to 500 or 600. And UHD monitors range anywhere from 280–450 depending on their size and resolution. So while your smartphone might seem small when viewed at arm's length, its high PPI makes up for it by creating sharp images no matter how close you get to it. The bottom line: Don't assume bigger always means better—it doesn't! It all depends on what kind of viewing experience you want—4K vs UHD vs 1080p or whatever else might be out there soon enough!

4) How Retina Displays Work

Apple made headlines when it first launched its Retina Display for computers, but how does it work? Retina displays are a lot like HDTVs; both use millions of pixels to simulate higher-resolution images that you can see from across a room. However, there's one big difference: HDTVs upscale regular lower-resolution content, meaning that they're only sharp if you sit close enough to see individual pixels. Apple instead uses a technology called subpixel rendering that takes into account each pixel and its neighbors to determine what color they should actually be. This is done with multiple red, green and blue subpixels per pixel on your screen.

5) The Future of Displays in Mobile Devices

What does 5 years in future have in store for us? Today, we take a look at one of our highly demanded display features, 'Pixel Density' or what everyone calls as PPI. Let's get started! The pixel density of a display is based on its total number of pixels displayed across its surface area. The higher number of pixels packed into same size display delivers sharp and vibrant visuals that you see when you read text, view images and watch videos etc. This feature is particularly useful to smartphones and tablets because it gives users an opportunity to browse web pages and apps crisply with super-realistic image quality.The pixel density had made a significant improvement since 2016 and has taken flight towards 2019 technologies like 4K & 8k displays, HDR displays, we not know what is going to happing after 2022 .


Hi, I'm Wael, and I love blogging about everything that has to do with technology,Business, and public life, especially smartphones. It's been about 5 years that I've spent in this field. Hopefully, you will find my information helpful. Feel free to contact me anytime and I will respond as soon as possible. Accept my greetings.

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