Pixel Density vs Screen Resolutions - Which is what?
When one wants to buy a smartphone, tablet, laptop or any such computing device, they look up for its detailed specifications on the internet.
There are these two terms I would like to discuss, pixel density and screen resolution. Ever wondered why are these termed differently?
Here is the core concept of the difference.
Pixel Density is the unit of pixel per centimeter on the screen of any electronic digital device.
Resolution is the number of pixels allowed physically on screen. The measurement of screen.
Example:
The Nexus S has a screen resolution of 800x480 pixels, whereas LG G3 has 2560 x 1440 pixels. It means 2560 pixels vertically and 1440 pixels horizontally, giving a total of 3,686,400 pixels.
As one can observe from the above pictures that G3's image is more clear and sharp than Nexus S. This is because of pixel density. Pixels are placed in an organized manner and not overlapped.
Look below for further details.
See the red spots? These are marking overlapped pixels in Nexus S. Why? Because Nexus S cannot accommodate any image having a resolution greater than 800x480. Thus, pixels are overlapped. By zooming, one can reduce this effect.
If you still have some unanswered questions, feel free to comment below. :)
There are these two terms I would like to discuss, pixel density and screen resolution. Ever wondered why are these termed differently?
Here is the core concept of the difference.
Pixel Density is the unit of pixel per centimeter on the screen of any electronic digital device.
Resolution is the number of pixels allowed physically on screen. The measurement of screen.
Example:
- Scanner: While you are ready to scan there is an option to change DPI. That means how much pixels should be scanned. In other words, increasing DPI will clarify and sharpen your scanned image. Speed is also dependent on scanning. Scanning rate of 600x600 DPI to 1200x1200 DPI might slow down scanning speed.
- Smartphones: Here are two smartphones. Google Samsung Nexus S & LG G3 (AT&T)
The Nexus S has a screen resolution of 800x480 pixels, whereas LG G3 has 2560 x 1440 pixels. It means 2560 pixels vertically and 1440 pixels horizontally, giving a total of 3,686,400 pixels.
As one can observe from the above pictures that G3's image is more clear and sharp than Nexus S. This is because of pixel density. Pixels are placed in an organized manner and not overlapped.
Look below for further details.
See the red spots? These are marking overlapped pixels in Nexus S. Why? Because Nexus S cannot accommodate any image having a resolution greater than 800x480. Thus, pixels are overlapped. By zooming, one can reduce this effect.
If you still have some unanswered questions, feel free to comment below. :)
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