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Scanners and cameras. "PPI" or "pixel density" may also describe image scanner resolution. In this context, PPI is synonymous with samples per inch. In digital photography, pixel density is the number of pixels divided by the area of the sensor. A typical DSLR, circa 2013, has 1–6.2 MP/cm 2; a typical compact has 20–70 MP/cm 2 .
The pixels are visible at normal viewing distance. Retina display is a branded series of LCDs and OLED displays by Apple Inc. that have a higher pixel density than traditional displays. [1] Apple has registered the term "Retina" as a trademark with regard to computers and mobile devices with the United States Patent and Trademark Office and ...
The following is a comparison of high-definition smartphone displays, containing information about their specific screen technology, resolution, size and pixel density. It is divided into three categories, containing smartphones with 720p, 1080p and 1440p displays. The "p-display" nomenclature used in this article refers to the number of pixels ...
The iPhone 5 is a smartphone that was designed, developed, and marketed by Apple Inc. It is the 6th generation iPhone, succeeding the iPhone 4s, and preceding both the iPhone 5s and iPhone 5c. It was formally unveiled as part of a press event on September 12, 2012, and subsequently released on September 21, 2012. [14]
The term display resolution is usually used to mean pixel dimensions, the maximum number of pixels in each dimension (e.g. 1920 × 1080 ), which does not tell anything about the pixel density of the display on which the image is actually formed: resolution properly refers to the pixel density, the number of pixels per unit distance or area, not ...
The most common aspect ratios for graphics displays are 4:3, 16:10 (equal to 8:5), 16:9, and "21:9". The aspect ratio also affects the perceived size of objects on the screen. [5] The native screen resolution together with the physical dimensions of the graphics display can be used to calculate its pixel density. An increase in the pixel ...
iPhone 6 iPhone 6 Plus iOS 12.5.7 A7 iPhone 5s: A6 LPDDR2 533 MHz iPhone 5 iPhone 5c: iOS 10.3.4 (iPhone 5) iOS 10.3.3 (iPhone 5c) A5 512 MB LPDDR2 400 MHz iPhone 4s: iOS 9.3.6 A4 LPDDR 200 MHz iPhone 4: iOS 7.1.2 APL0298 256 MB iPhone 3GS: iOS 6.1.6 APL0098 128 MB LPDDR 133 MHz iPhone 3G: iOS 4.2.1 iPhone (1st gen) iPhone OS 3.1.3
The pixel count of an image is related to its spatial resolution and is often used as a figure of merit. The quantity of picture elements in the image sensor is usually counted in millions and called "megapixels". Sensor pixel density sets a limit on the final output resolution of images captured with that sensor.