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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.
Different display technologies have vastly different temporal characteristics, leading to perceptual differences of motion, flicker, etc. Sketch of some common display technologies' temporal behaviour. The figure shows a sketch of how different technologies present a single white/grey frame. Time and intensity is not to scale.
On CRTs, there was often a difference between the aspect ratio of the computer resolution and the aspect ratio of the display causing non-square pixels (e.g. 320 × 200 or 1280 × 1024 on a 4:3 display). The 4:3 aspect ratio was common in older television cathode ray tube (CRT) displays, which were not easily adaptable to a wider aspect ratio.
The following is a comparative list of smartphones belonging to smartphones in the Samsung Galaxy S series line of devices, using the Android operating system. This table is primarily intended to show the differences between the model families of phones in the Galaxy S series.
DVCPRO HD DV 25 Yes Yes Yes [74] [VI] No No M-JPEG: Intra-frame: May 1994 Expired patents [75] VCM [d] Yes Yes Yes Yes No No No MJ2: Intra-frame: December 2003 Patent encumbered [76] No Yes No No Not standard Yes No No Apple ProRes: Intra-frame: April 2007 Proprietary: No No Yes [77] No No Yes [77] No No HuffYUV: Lossless: February 2000 Open ...
HD (1280 × 720) FHD (1080 × 1920) Main camera Autofocus Yes Yes Yes Yes Aperture f/2.4 f/2.2 f/1.9 Flash Yes Yes Yes Yes Focal length mm (in) 28 mm 26 mm Megapixels 5.0 8.0 20.0 Optical image stabilization No No Yes Yes Sensor size inches: 1/4 1/2.4 Video frame rate fps: 30 Video resolution HD (1280 × 720) 4K (3840 × 2160) Dedicated camera ...
The following is a list of smartphones with a high refresh rate display.The refresh rate is the number of times in a second that a display hardware updates its buffer. It is not to be confused with the touch response rate, which is the frequency that the touchscreen senses input, or the frame rate, which describes how many images are stored or generated every second by the device driving the ...
Second, some codecs differentiate between different types of frames, such as key frames and non-key frames, differing in their importance to overall visual quality and the extent to which they can be compressed. Third, quality depends on prefiltrations, which are included on all present-day codecs.