I know the definition of wikipedia : 2160p=3840×2160 1440p=2560?1440 1080p=1920?1080 720p=1280?720 480p=640?480 360p=480?360 240p=426?240 144p=256?144.

2560×1440 is QuadHD. 4K is Quad FullHD, or 3840×2160.

1280 x 720 pixels 720p, also known as HD (high definition), is a display resolution measuring 1280 x 720 pixels. Resolution explains how many pixels a display has in width x height format (the more pixels a display has, the sharper its image quality).

Distinguished. 1920×1080 is 58% more pixels than 1280×1024. So you’ll get 58% more stuff to fit on your screen in 2D situations, non-games. In games you would get 58% more detail, but if you don’t upgrade any hardware then you’ll need to render 58% more for each frame.

Full HD delivers 1080p image resolution and is the typical resolution for Blu-Ray discs, digital television, and most high-def videos found on YouTube, Hulu, and so on. Below Full HD is regular or standard HD with 720p resolution – not as good as Full HD but still far better than . . . Read more

720p, also known as HD (high definition), is a display resolution measuring 1280 x 720 pixels. … You’ll sometimes see displays with a resolution of 1920 x 1080 resolution also called HD, but this is more officially referred to as 1080p or Full HD (FHD).

720p. Roughly half the number of pixels of 1080p. It’s rare to find a TV that’s 720p anymore.

1080p is the shortened form for a screen resolution of 1920 by 1080 at an aspect ratio of 16 by 9. It is the resolution of the iconic Pioneer Kuro. … 1440P stands for a resolution of 2560 by 1440 pixels also at a 16 by 9 aspect ratio.

Resolutions Standard Class Pixels YouTube 144p 144p 36,864 QnHD 180p 57,600 NTSC square pixel 240p 76,800 SIF (525) 240p 84,480

2560×1440 has 78% more pixels than 1920×1080, but is it always better? … In comparison to 1920?1080, 2560?1440 provides you with more vivid details and more screen real estate (just how much more depends on the screen size and pixel per inch ratio), but it’s also more power-hungry when it . . . Read more