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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.
An e-reader, also known as an e-book reader, is a portable electronic device that is designed primarily for the purpose of reading e-books and periodicals.E-readers have a similar form factor to a tablet; usually use electronic paper resulting in better screen readability, especially in bright sunlight; and have longer battery life when compared to a tablet.
The Sony Reader (ソニー・リーダー) was a line of e-book readers manufactured by Sony.The first model was the PRS-500 released in September 2006 and was related to the earlier Sony Librie, the first commercial E Ink e-reader in 2004 using an electronic paper display developed by E Ink Corporation. [1]
Below is a list of currently available tablet PCs grouped by their width, depth, height, screen size, and appropriate tablet case sizes. The most popular presently available tablet computers are compared in the following table:
The Sony Librie, released in 2004 and the precursor to the Sony Reader, was the first e-reader to use electronic paper. [8] Many e-readers can use the internet through Wi-Fi and the built-in software can provide a link to a digital Open Publication Distribution System (OPDS) library or an e-book retailer, allowing the user to buy, borrow, and ...
The Sony DPT-S1 is a 13.3-inch (approaching A4) E ink e-reader by Sony, aimed at professional business users. [3] The DPT-S1 Digital Paper can display only PDF files at their native size and lacks the ability to display any other e-book formats. [4]
Both the iPhone 8 and 8 Plus were supplied with iOS 11 on launch, [25] [27] and support iOS 12, iOS 13, iOS 14, iOS 15 and iOS 16. Apple announced that the iPhone 8 and 8 Plus, as well as the iPhone X, would not support iOS 17 due to hardware limitations. [35] However, the devices still receive security updates.
The screen size varies greatly by model and is usually specified either as width and height in pixels or the diagonal measured in inches. Some phones have more than one display, for example the Kyocera Echo, an Android smartphone with a dual 3.5 inch screen. The screens can also be combined into a single 4.7 inch tablet style computer. [19]