QHD, short for Quad HD, is a display resolution measuring 2560 x 1440 pixels. Sometimes it’s called 1440p or 2K resolution. It’s a step up from full HD but not as impressive as Ultra HD (4K resolution).
QHD is a display resolution that you might have encountered while researching for a new monitor, laptop, or smartphone. But how is it different from HD, full-HD, or 4K resolution? Here’s everything you need to know about Quad HD resolution.
More Pixels Than HD or Full-HD
The resolution is an integral part of any display. Apart from the screen type and size, it determines how sharp or detailed an image or text will look on a display. For those unfamiliar with the term, it defines the dimensions of a display in terms of pixels. It is usually quoted as width x height. For example, high definition (HD) resolution is 1280 x 720 pixels. Similarly, there are many other display resolutions, some more common than others.
QHD, also referred to as Quad HD, is one such display resolution that has gained prominence over the years. It measures 2560 x 1440 pixels at a 16:9 aspect ratio and is a step up from full HD (1920 x 1080p). But it sits below UHD (or Ultra HD, 3840 x 2160 pixels) in the resolution hierarchy. The QHD is sometimes also called 1440p or 2K.
As its name suggests, Quad HD has four times the pixels of the HD resolution. The extra pixels in the QHD resolution mean you get sharper and more detailed content than HD or full HD. Therefore, QHD resolution is typically ideal for large screens that need more pixels to look crisp. But that hasn’t stopped the manufacturers from using it even on smartphones. That said, you will most commonly find the QHD resolution on monitors and laptops.
What About qHD or WQHD?
qHD may sound similar to QHD, but it stands for quarter-HD, hence the lowercase “q.” As you can guess, qHD is a significantly lower resolution than Quad HD. It measures 960 x 540 pixels. But unlike Quad HD, which has four times the pixels as HD, quarter-HD doesn’t have one-quarter pixels of HD resolution. Instead, it’s precisely one-quarter of a full HD frame in a 16:9 aspect ratio.
The qHD resolution was prominent around 2011 when several mobile phone manufacturers launched smartphones, like HTC Sensation, Samsung Galaxy S4 Mini, and Microsoft Lumia 535, with this resolution.
Apart from qHD, you may also see WQHD resolution on devices. But the WQHD is the same resolution as QHD—2560 x 1440 pixels. Manufacturers add the “W” to highlight the wide-screen aspect of resolution and the name also helps avoid confusion with qHD resolution.
Another term that is associated with QHD is Ultra-wide QHD. It’s used by ultra-wide displays and measures 3440 x 1440 pixels at a 21:9 aspect ratio.
Full HD, QHD, or UHD
If you are buying a new device and confused between QHD, full-HD, or Ultra HD resolutions, each has its advantages and disadvantages. Of course, the more pixels that are on display, the sharper the image you’ll get. But depending on what you’re going to do and the size of your screen, the extra sharpness offered by higher resolution may not even matter.
For example, full HD is a pretty good resolution for a typical smartphone. Most consumers won’t even notice the difference between a QHD screen or a full-HD screen on a smartphone. Also, powering a QHD display takes more power than a full-HD screen, so your phone’s battery will get depleted fast.
But on a laptop, having a QHD resolution is helpful. It’ll make everything look sharper, and if your usage includes editing photos or videos, playing games, or watching a lot of Netflix, you’ll appreciate the extra pixels. Sure, battery concerns apply here as well, and you’ll have to shell out a decent bit of extra money for a QHD screen on a laptop.
QHD resolution is a good idea for monitors, too. It provides a great middle-ground between full-HD and UHD. As a result, you get a sharper picture than a full-HD screen, and you don’t have to pay the premium price for a UHD screen. Also, if you opt for a UHD monitor, you’ll need sufficiently powerful hardware to make effective use of it during gaming, video editing, and other tasks. But if you have the budget and powerful hardware, a UHD monitor will not only make everything look more crisp—it will also make your setup future-proof, too.
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