If you’ve ever seen the same TV show side by side in both HD and SD (Standard Definition), you’ll see there’s a pretty huge difference between the picture quality of the two. Generally (with conditions as mentioned below), the higher the resolution, the better the quality, and the more detail in the image on screen. You’ll see phone resolutions stated at many different pixel sizes from 480 x 320 up to 1920 x 1080 and beyond. Usually, it is the pixel width x height that we refer to when we say “resolution”.
A MATTER OF SIZE SCREENIT 720P
You may even see 720p described as HD which, although technically it falls within the HD standard parameters, it isn’t full HD.
A MATTER OF SIZE SCREENIT 1080P
TV broadcasts in High Definition (HD), or media file quality might be described as Full HD, 1080p or 1920 x 1080. Pixels is another measurement that more people are beginning to understand as time goes by. Check the physical dimensions of the device, as well as the display. So don’t assume it’s only a fraction of an inch difference when comparing. But we should mention that the difference in overall size of the devices from, say, a 5” display to a 5.7” can be considerable. It’s a straightforward and easy to understand measurement, of course. That is how it is measured from the top left corner of the screen to the bottom right (or top right to bottom left, if you prefer). For example, a Samsung Galaxy Note 4 has a screen size of 5.7”.
As with TVs and desktop monitors, mobile device displays are physically measured diagonally across the actual screen. If we start with the simplest, and the concept which everyone can easily understand, the inches measurement. Now, For an in-Depth Analysis Inches Matter The images are therefore more precise and our brain does not need to work as hard to see a seamless image. That is because the spaces between the dots are smaller, so more pixels can be fit into each inch. The higher the number, the more seamless the image will be. It is formed by doing a math equation found lower down in this article. This number will indicate how many pixels, or dots, can be found on each inch of the screen. It does not tell us how close they are to each other which affects the actual clarity of the screen. Resolution simply tells us how many pixels there are on each display. That would bring us to a total of 400 000 pixels on the screen. If a computer were to have a resolution of 1000×800 pixels, that were to mean that it has 1000 pixels horizontally and 800 vertically. In one image the white spaces in between the pixels are more visible then in the other where there is a higher PPI. To the left is an example of two squares which are the same size yet different pixel densities. There are therefore two factors to take into account regarding screen clarity. Hence a clear image that slides seamlessly from one color to the next. Yet since the dots, also know as pixels, are so tiny and there are so many of them, our eyes cannot differentiate them from their neighbors.
In fact, if you were to zoom it in dramatically, you would see its many many tiny dots of color, kind of like a mosaic. What is a Pixel?Ĭontrary to what it looks like, a screen does not show a complete image. We will do our best to keep it so simple that even your 90 years old grandmother will easily understand these tech terms. That is why we, at Mr Aberthon, are here: to explain it as clearly as is possible. Screen ResolutionĬontrary to screen size, screen quality has more depth and details to it. This brings us to the concept of screen resolution. It simply tells us the size in which we can see what is written on the screen. This in no way, shape or form indicates the quality of the image that shows up on that screen. As you can see, there is a wide range due to the fact that everyone has their own preferred size screen. From corner to corner, some devices range under 2.5″ while others are closer to 6″. On a cell phone, this is measured by taking the measurement diagonally across a screen. Yet we will give you the necessary knowledge to help you understand how things like web pages get displayed on the screen.Įvery mobile device that has a screen, or electronic device for that matter, has a screen size. The broad answer is probably that 2 or 3 of the above list will be important. But what do they all mean? Which ones are important when it comes to choosing a device with the intention of watching tons of movies, or streaming TV, or playing games? Have you ever heard of inches, pixels, PPI, width, device-width, points? They all describe at least one aspect of a mobile phone or tablet display.
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