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Screen resolution refers to the total number of pixels or dots that make up the display area of a screen. It is a key factor in determining the clarity, definition, and overall visual experience offered by a digital device, be it a computer monitor, television, smartphone, or tablet. The screen resolution specifies how many pixels are available horizontally and vertically, and it is typically denoted by two numbers, such as 1920×1080 or 1440×900, representing the width and height of the screen respectively. Higher screen resolutions generally result in sharper and more detailed images, while lower resolutions can lead to pixelation and reduced clarity. Understanding screen resolution is crucial for deciding on the right device for specific needs and ensuring optimal viewing quality when working, gaming, or consuming media.
When choosing to buy a laptop, your phone will listen to HD, Full HD, 2K screen resolutions related to image sharpness. So what is the screen resolution? Let’s find out with Tnhelearning.edu.vn!
Screen resolution
Any screen is made up of an infinite number of pixels (pixels) arranged consecutively in a certain number of rows and columns. Therefore, the main resolution is the number of horizontal rows and vertical columns of that screen.
Example: For the Full HD 1080 x 1920 pixels resolution that you normally see on smartphones and tablets, that means the screen has 1920 horizontal rows and 1080 vertical columns containing pixels. . And then there will be about 1920 x 1080 = 2073600 pixels that exist on the screen aka 2.07 Megapixels (1 Megapixels = 1 million pixels).
Classification of screen resolution standards
Considering the same screen size, the screen with more pixels or in other words, the higher the resolution, the sharper the display.
Currently, screen technology on mobile devices such as tablets and smartphones has reached extremely high resolutions up to the 2K+ standard and even 4K. And corresponding to each such number, people will assign it a name according to a separate standard. Some common resolutions that we often encounter when buying phones, tablets and laptops.
+ QQVGA : 120 x 160 pixels.
+ QVGA : 320 x 240 pixels.
+ WQVGA : Has a resolution of about 360 x 240 pixels (aspect 3:2), 400 x 240 pixels (5:3) or 428 x 240 pixels or 432 x 240 pixels (aspect ratio 16:9).
+ VGA : 640 x 480 pixels with an aspect ratio of 4:3.
+ WVGA : Has a resolution of about 768 x 480 pixels, 720 x 480 pixels (ratio 3:2), 800 x 480 pixels (5:3).
+ FWVGA : 854 x 480 pixels (ratio of about 16: 9).
SVGA : 800 x 600 pixels with a screen ratio of 4:3 or 832 x 624 pixels.
DVGA : 960 x 640 pixels with 3:2 aspect ratio.
+ qHD : 960 x 540 pixels.
+ XGA : 1024 x 768 pixels and has a 4:3 aspect ratio.
+ HD : 1280 x 720 pixels or 1366 x 768 pixels.
+ HD + : Has a resolution of about 1440 x 720 pixels and variants such as 1480 x 720 pixels, 1520 x 720 pixels, …
+ WXGA and variants from HD resolution : 1366 x 768 pixels with an aspect ratio close to 16: 9 and some others: 1360 x 768 pixels, 1280×800 pixels, 1280×768 pixels, ..
Full HD : 1920 x 1080 pixels.
+ Full HD + : Has a resolution of about 2160 x 1080 pixels, 2280 x 1080 pixels, 2340 x 1080 pixels,…
+ QHD (2K) : 2560 x 1440 pixels.
+ QHD+ (2K+) : Has a resolution of about 3200 x 1800 pixels, 2960 x 1440 pixels, 3120 x 1440 pixels,…
+ UHD (4K) : 3840 x 2160 pixels or 4096 x 2160 pixels.
Application of resolution on some products
Cheap phones with HD+ screens: Vsmart Star 5, Oppo A15, Realme C3,…
Cheap phones with Full HD + screen: Vsmart Joy 4, Vsmart Active 3, Xiaomi Redmi 9,…
Mid-range phones with Full HD + screen: Oppo Reno5, Huawei Nova 7i, Samsung Galaxy A31,…
High-end phones with QHD+ (2K+) screens: Samsung Galaxy Note 10+ , Samsung Galaxy S21 Ultra 5G, Xiaomi Mi 11 5G
Laptop with QHD (2K) screen: Lenovo YOGA Slim 7 Carbon 13ITL5,…
Laptops with QHD+ (2K+) screens: Dell Inspiron 7400, LG Gram 17,…
Laptop with UHD display (4K): Dell XPS 13 9310
The above article has explained to you the common screen resolutions. If you have any questions, please leave a question below so that Tnhelearning.edu.vn can help you.
In conclusion, screen resolution refers to the number of pixels displayed on a screen, determining the level of clarity and detail in visual content. It is a crucial factor to consider when purchasing electronic devices, as higher resolutions provide a more immersive and visually appealing experience. Common resolutions include HD, Full HD, and 4K, each offering different levels of image quality. The advancement in technology has led to increasingly higher resolutions becoming available, greatly enhancing the viewing experience and enabling more realistic visuals. Understanding screen resolution is essential for anyone using electronic devices and can greatly impact their overall satisfaction with the viewing experience.
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