Retina Display is the name for the high-resolution screen technology Apple uses on various models of the iPhone, iPad, and other Apple products. It was introduced with the iPhone 4 in June 2010. Read ...

QHD is a screen resolution that measures 2560 x 1440 pixels and has a 16:9 aspect ratio. You'll often find it on high-end devices like laptops, TVs, and smartphones. QHD is sharper than regular HD, ...

Nearly all modern TVs are 4K resolution: 3,840x2,160 pixels. Older and smaller TVs might be HD, aka 1,920x1,080 or less. But there are a handful of TVs you can buy right now that are 8K resolution, or ...

On a PC, apps like games and maybe anything else that is using the GPU directly to process the display generally work at fixed resolutions, like 1920x1080 or 216x1440, and when running in full screen ...