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49-458: Xiaomi produces smartphones (Xiaomi Series, MIX Series, Mi Note Series, Mi Max Series, Civi Series, T Series, and Redmi Series ), tablets, laptops, wearable devices, TVs, routers, and other smart home devices on their web store and on third-party websites. Some of their products are listed below. Xiaomi's smartphones run MIUI , Xiaomi's earliest known product, a stock and aftermarket Android firmware for smartphones and tablet computers based on

98-466: A 4K display with a pixel density of 807 PPI, the highest of any smartphone as of 2017. Android supports the following logical DPI values for controlling how large content is displayed: The digital publishing industry primarily uses pixels per inch but sometimes pixels per centimeter is used, or a conversion factor is given. The PNG image file format only allows the meter as the unit for pixel density. The following table show how pixel density

147-469: A computer display is related to the size of the display in inches / centimetres and the total number of pixels in the horizontal and vertical directions. This measurement is often referred to as dots per inch , though that measurement more accurately refers to the resolution of a computer printer . For example, a 15-inch (38 cm) display whose dimensions work out to 12 inches (30.48 cm) wide by 9 inches (22.86 cm) high, capable of

196-487: A halftone screen, which would print dots at a given frequency, the screen frequency, in lines per inch (LPI) by using a purely analog process in which a photographic print is converted into variable sized dots through interference patterns passing through a screen. Modern inkjet printers can print microscopic dots at any location, and don't require a screen grid, with the metric dots per inch (DPI). These are both different from pixel density or pixels per inch (PPI) because

245-455: A 0.44 inch (1.12 cm) SVGA LCD with a pixel density of 2272 PPI (each pixel only 11.25   μm). In 2011 they followed this up with a 3760-DPI 0.21-inch diagonal VGA colour display. The manufacturer says they designed the LCD to be optically magnified, as in high-resolution eyewear devices. Holography applications demand even greater pixel density, as higher pixel density produces

294-799: A 1280×1024 mode computer display at maximum size, which is a 5:4 ratio, not quite the same as 4:3). The apparent PPI of a monitor depends upon the screen resolution (that is, the number of pixels) and the size of the screen in use; a monitor in 800×600 mode has a lower PPI than does the same monitor in a 1024×768 or 1280×960 mode. The dot pitch of a computer display determines the absolute limit of possible pixel density. Typical circa-2000 cathode-ray tube or LCD computer displays range from 67 to 130 PPI, though desktop monitors have exceeded 200 PPI, and certain smartphone manufacturers' flagship mobile device models have been exceeding 500 PPI since 2014. In January 2008, Kopin Corporation announced

343-424: A 2 inch square has a resolution of 50 pixels per inch. Used this way, the measurement is meaningful when printing an image. In many applications, such as Adobe Photoshop, the program is designed so that one creates new images by specifying the output device and PPI (pixels per inch). Thus the output target is often defined upon creating the image. When moving images between devices, such as printing an image that

392-484: A 24.7% stake in Roborock. In December 2014, Xiaomi raised US$ 1.1 billion at a valuation of over US$ 45 billion, making it one of the most valuable private technology companies in the world. The financing round was led by Hong Kong-based technology fund All-Stars Investment Limited, a fund run by former Morgan Stanley analyst Richard Ji. In 2014, the company sold over 60 million smartphones. In 2014, 94% of

441-477: A different way to a bright, evenly lit interactive display from how it does to prints on paper. High pixel density display technologies would make supersampled antialiasing obsolete, enable true WYSIWYG graphics and, potentially enable a practical “ paperless office ” era. For perspective, such a device at 15 inch (38 cm) screen size would have to display more than four Full HD screens (or WQUXGA resolution). The PPI pixel density specification of

490-621: A display is also useful for calibrating a monitor with a printer. Software can use the PPI measurement to display a document at "actual size" on the screen. PPI can be calculated from the screen's diagonal size in inches and the resolution in pixels (width and height). This can be done in two steps: where For example: These calculations may not be very precise. Frequently, screens advertised as “X inch screen” can have their real physical dimensions of viewable area differ, for example: Camera manufacturers often quote view screens in 'number of dots'. This

539-408: A larger dot pitch. Often one wishes to know the image quality in pixels per inch (PPI) that would be suitable for a given output device. If the choice is too low, then the quality will be below what the device is capable of—loss of quality—and if the choice is too high then pixels will be stored unnecessarily—wasted disk space. The ideal pixel density (PPI) depends on the output format, output device,

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588-404: A larger image size and wider viewing angle. Spatial light modulators can reduce pixel pitch to 2.5  μm , giving a pixel density of 10,160 PPI. Some observations indicate that the unaided human generally can't differentiate detail beyond 300 PPI. However, this figure depends both on the distance between viewer and image, and the viewer’s visual acuity . The human eye also responds in

637-587: A lower PPI than a compact camera, because it has larger photodiodes due to having far larger sensors. Smartphones use small displays, but modern smartphone displays have a larger PPI rating, such as the Samsung Galaxy S7 with a quad HD display at 577 PPI, Fujitsu F-02G with a quad HD display at 564 PPI, the LG G6 with quad HD display at 564 PPI or – XHDPI or Oppo Find 7 with 534 PPI on 5.5-inch display – XXHDPI (see section below). Sony 's Xperia XZ Premium has

686-435: A maximum 1024×768 (or XGA ) pixel resolution, can display around 85 PPI, or 33.46   PPCM, in both the horizontal and vertical directions. This figure is determined by dividing the width (or height) of the display area in pixels by the width (or height) of the display area in inches. It is possible for a display to have different horizontal and vertical PPI measurements (e.g., a typical 4:3 ratio CRT monitor showing

735-617: A mid-range smartphone line, first launching in India. In Q4 of 2018, the Xiaomi Pocophone F1 became the best-selling smartphone sold online in India. The Pocophone was sometimes referred to as the "flagship killer" for offering high-end specifications at an affordable price. The company opened new headquarters in Beijing in July 2019 after almost four years of construction. In October 2019,

784-577: A mobile payment function Mi Pay launched in April 2016. On 27 September 2016, Xiaomi released the Mi 5s and Mi 5s Plus. On 4 November 2016, Xiaomi released the Mi MIX . The MI MIX has a 91.3% screen to body ratio, achieved by removing all the top-mounted sensors: the proximity sensor has been replaced by ultrasound, the earpiece has been replaced by a piezoelectric speaker that uses the metal frame to generate sound, and

833-427: A pixel is a single sample of any color, whereas an inkjet print can only print a dot of a specific color either on or off. Thus a printer translates the pixels into a series of dots using a process called dithering . The dot pitch , smallest size of each dot, is also determined by the type of paper the image is printed on. An absorbent paper surface, uncoated recycled paper for instance, lets ink droplets spread — so has

882-479: A printing method. Using the DPI or LPI of a printer remains useful to determine PPI until one reaches larger formats, such as 36" or higher, as the factor of visual acuity then becomes more important to consider. If a print can be viewed close up, then one may choose the printer device limits. However, if a poster, banner or billboard will be viewed from far away then it is possible to use a much lower PPI. The PPI/PPCM of

931-536: A smartphone gaming brand called Black Shark. It had 6GB of RAM coupled with Snapdragon 845 SoC, and was priced at $ 508, which was cheaper than its competitors. On 2 May 2018, Xiaomi announced the launch of Mi Music and Mi Video to offer "value-added internet services" in India. On 3 May 2018, Xiaomi announced a partnership with 3 to sell smartphones in the United Kingdom, Ireland, Austria, Denmark, and Sweden In May 2018, Xiaomi began selling smart home products in

980-520: Is Xiaomi's first phone with a Super-AMOLED display with a high refresh rate. This phone is powered by the Qualcomm Snapdragon 865 processor. Xiaomi Mi 10 Ultra was announced on 11 August 2020. This is Xiaomi's first phone to support 120-watt wired charging. Xiaomi 12T and 12T Pro was launched on 4 October 2022. Xiaomi 12T Pro is the first Xiaomi phone with 200 MP camera. Redmi K70 Ultra Lamborghini Edition: Luxury Meets Tech Xiaomi has revved up

1029-463: Is a Chinese designer and manufacturer of consumer electronics and related software, home appliances , automobiles and household hardware , with headquarters in Beijing, China. It is the second-largest manufacturer of smartphones in the world, behind Samsung , most of which run on the Xiaomi HyperOS (former MIUI ) operating system . The company is ranked 338th and is the youngest company on

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1078-593: Is not the same as the number of pixels, because there are 3 'dots' per pixel – red, green and blue. For example, the Canon 50D is quoted as having 920,000 dots. This translates as 307,200 pixels (×3 = 921,600 dots). Thus the screen is 640×480 pixels. This must be taken into account when working out the PPI. 'Dots' and 'pixels' are often confused in reviews and specs when viewing information about digital cameras specifically. "PPI" or "pixel density" may also describe image scanner resolution. In this context, PPI

1127-435: Is supported by popular image file formats. The cell colors used do not indicate how feature-rich a certain image file format is, but what density support can be expected of a certain image file format. Even though image manipulation software can optionally set density for some image file formats, not many other software uses density information when displaying images. Web browsers, for example, ignore any density information. As

1176-475: 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 ; a typical compact has 20–70 MP/cm . For example, Sony Alpha SLT-A58 has 20.1 megapixels on an APS-C sensor having 6.2 MP/cm since a compact camera like Sony Cyber-shot DSC-HX50V has 20.4 megapixels on an 1/2.3" sensor having 70 MP/cm . The professional camera has

1225-579: The Fortune Global 500 . Xiaomi was founded in 2010 in Beijing by Lei Jun along with six associates. Lei had founded Kingsoft as well as Joyo.com , the latter of which he sold to Amazon for $ 75 million in 2004. In August 2011, Xiaomi released its first smartphone and, by 2014, it had the largest market share of smartphones sold in China. Initially the company only sold its products online; however, it later opened brick and mortar stores. By 2015, it

1274-571: The Android platform. He was employed as vice president of Xiaomi to expand the company outside of mainland China, making Xiaomi the first company selling smartphones to poach a senior staffer from Google's Android team. He left the company in February 2017. In September 2013, Xiaomi announced its Xiaomi Mi 3 smartphone and an Android-based 47-inch 3D-capable Smart TV assembled by Sony TV manufacturer Wistron of Taiwan. In October 2013, it became

1323-649: The European Union (EU) through a partnership with ABC Data. Also in September 2016, the Xiaomi Mi Robot vacuum was released by Roborock. On 26 October 2016, Xiaomi launched the Mi Mix, powered by the Qualcomm Snapdragon 821 processor. On 22 March 2017, Xiaomi announced that it planned to set up a second manufacturing unit in India in partnership with contract manufacturer Foxconn. On 19 April 2017, Xiaomi launched

1372-597: The open-source Android operating system . It is available on Xiaomi devices and devices made by other companies. Xiaomi's flagship mobile handset line is the Xiaomi series (formerly known as Mi series ), which focuses on the high-end smartphone market. The Mi 3 uses a modified Qualcomm Snapdragon 800 and was found on a test to be the world's fastest Android smartphone according to benchmark testing apps Antutu , Quadrant, and Geekbench . Xiaomi showed its ceramic Mi 5 on 24 February at MWC 2016. It supports NFC and

1421-411: The " Apple of China". It has come up with its own range of wearable items. It also is a major manufacturer of appliances including televisions, flashlights , unmanned aerial vehicles , and air purifiers using its Internet of things and Xiaomi Smart Home product ecosystems. Xiaomi keeps its prices close to its manufacturing costs and bill of materials costs by keeping most of its products in

1470-673: The Mi Mix Fold. Powered by Qualcomm Snapdragon 888 with an 8.01-inch foldable AMOLED display when open and a 6.5-inch external display when folded. In March 2020, Xiaomi showcased its new 40W wireless charging solution, which was able to fully charge a smartphone with a 4,000mAh battery from flat in 40 minutes. In October 2020, Xiaomi became the third-largest smartphone maker in the world by shipment volume, shipping 46.2 million handsets in Q3 2020. On 30 March 2021, Xiaomi announced its intention to invest US$ 10 billion in electric vehicles over

1519-626: The Mi5, powered by the Qualcomm Snapdragon 820 processor. On 3 March 2016, Xiaomi launched the Redmi Note 3 Pro in India, the first smartphone to be powered by a Qualcomm Snapdragon 650 processor. On 10 May 2016, Xiaomi launched the Mi Max, powered by the Qualcomm Snapdragon 650/652 processor. In June 2016, the company acquired patents from Microsoft . In September 2016, Xiaomi launched sales in

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1568-516: The Mi6, powered by the Qualcomm Snapdragon 835 processor. In July 2017, the company entered into a patent licensing agreement with Nokia . On 5 September 2017, Xiaomi released Xiaomi Mi A1 , the first Android One smartphone under the slogan: Created by Xiaomi, Powered by Google. Xiaomi stated started working with Google for the Mi A1 Android One smartphone earlier in 2017. An alternate version of

1617-550: The United States through Amazon . In June 2018, Xiaomi became a public company via an initial public offering on the Hong Kong Stock Exchange , raising $ 4.72 billion. On 7 August 2018, Xiaomi announced that Holitech Technology Co. Ltd., Xiaomi's top supplier, would invest up to $ 200 million over the next three years to set up a major new plant in India. In August 2018, the company announced POCO as

1666-599: The company announced that it would launch more than 10 5G phones in 2020, including the Mi 10/10 Pro with 5G functionality. On 5 November 2019, Xiaomi announced that it would enter the Japanese market. It established a subsidiary, Xiaomi Japan, as parts of its effort to enter the Japanese smartphone market. On 17 January 2020, POCO India became a separate sub-brand of Xiaomi with entry-level and mid-range devices, followed by its global counterpart on 24 November 2020. In March 2020, Xiaomi launched their first foldable phone,

1715-451: The company raised $ 90 million in a Series B round. In June 2012, the company raised $ 216 million of funding in a Series C round at a $ 4 billion valuation. Institutional investors participating in the first round of funding included Temasek Holdings , IDG Capital , Qiming Venture Partners and Qualcomm . In August 2013, the company hired Hugo Barra from Google, where he served as vice president of product management for

1764-405: The company's revenue came from mobile phone sales. In April 2015, Ratan Tata acquired a stake in Xiaomi. On 30 June 2015, Xiaomi announced its expansion into Brazil with the launch of locally manufactured Redmi 2; it was the first time the company assembled a smartphone outside of China. However, the company left Brazil in the second half of 2016. On 26 February 2016, Xiaomi launched

1813-1100: The engine and unveiled a powerhouse smartphone designed in collaboration with the iconic Italian automaker, Lamborghini. Buckle up as CNN TECH explores the Redmi K70 Ultra Championship Edition, a phone that promises to deliver peak performance wrapped in a head-turning design. (~245 ppi ) 2x 1.5 GHz @266 MHz ( LPDDR2 ) ( Li-Ion ) ( MIUI V2.3) ( MIUI V5) 2x 1.2 GHz ( MIUI V4) 2x 1.7 GHz ( MIUI 8) 2x 1.5 GHz (~342 ppi ) 4x 1.5 GHz @400 MHz ( LPDDR2 ) ( Li-Ion ) ( MIUI V4) ( MIUI 9) 4x 1.7 GHz ( LPDDR3 ) 13 MP, f/2.2 (32 GB version) ( MIUI V5) (~326 ppi ) 2x 1.7 GHz ( LPDDR2 ) ( Li-Ion ) ( MIUI 7) Corning Gorilla Glass 3 (~441 ppi ) 4x 2.3 GHz @578 MHz ( LPDDR3 ) ( eMMC 4.5) ( Li-Ion ) Xiaomi Xiaomi Corporation ( / ˈ ʃ aʊ m i / ; Chinese : 小米 集团 ), commonly known as Xiaomi ,

1862-509: The fifth-most-used smartphone brand in China. In 2013, Xiaomi sold 18.7 million smartphones. In February 2014, Xiaomi announced its expansion outside China, with an international headquarters in Singapore. In April 2014, Xiaomi purchased the domain name mi.com for a record US$ 3.6 million , the most expensive domain name ever bought in China, replacing xiaomi.com as the company's main domain name. In September 2014, Xiaomi acquired

1911-573: The following ten years. On 31 March 2021, Xiaomi announced a new logo for the company, designed by Kenya Hara . In July 2021, Xiaomi became the second largest smartphone maker in the world, according to Canalys. It also surpassed Apple for the first time in Europe, making it the second-largest in Europe according to Counterpoint. In August 2021, the company acquired autonomous driving company Deepmotion for $ 77 million. Pixel density Since most digital hardware devices use dots or pixels,

1960-400: The front-facing camera is relocated to the bottom. The Xiaomi Mi 5c was launched in February 2017, the first phone with Xiaomi's in-house processor, Pinecone Surge S1. Xiaomi Mi 9 was launched on 20 February 2019 in Beijing, China. This is Xiaomi's first triple camera smartphone. It is powered by Snapdragon 855 SoC with 8GB RAM . Xiaomi Mi 10 was announced on 13 February 2020. This

2009-408: The image on the monitor display: Now, let us imagine the artist wishes to print a larger banner at 48″ horizontally. We know the number of pixels in the image, and the size of the output, from which we can use the same formula again to give the PPI of the printed poster: This shows that the output banner will have only 40 pixels per inch. Since a printer device is capable of printing at 300 ppi,

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2058-402: The intended use and artistic choice. For inkjet printers measured in DPI it is generally good practice to use half or less than the DPI to determine the PPI. For example, an image intended for a printer capable of 600 dpi could be created at 300 ppi. When using other technologies such as AM or FM screen printing, there are often published screening charts that indicate the ideal PPI for

2107-420: The market for 18 months, longer than most smartphone companies. The company also uses inventory optimization and flash sales to keep its inventory low. On 6 April 2010 Xiaomi was co-founded by Lei Jun and six others: Lei had founded Kingsoft as well as Joyo.com, the latter of which he sold to Amazon for $ 75 million in 2004. At the time of the founding of the company, Lei was dissatisfied with

2156-633: The phone was also available with MIUI, the MI 5X. In 2017, Xiaomi opened Mi Stores in India, Pakistan and Bangladesh. The EU's first Mi Store was opened in Athens , Greece in October 2017. In Q3 2017, Xiaomi overtook Samsung to become the largest smartphone brand in India. Xiaomi sold 9.2 million units during the quarter. On 7 November 2017, Xiaomi commenced sales in Spain and western Europe. In April 2018, Xiaomi announced

2205-486: The products of other mobile phone manufacturers and thought he could make a better product. On 16 August 2010, Xiaomi launched its first Android -based firmware MIUI (Now Xiaomi HyperOS ). In 2010, the company raised $ 41 million in a Series A round . In August 2011, the company launched its first phone, the Xiaomi Mi 1 . The device had Xiaomi's MIUI firmware along with Android installation. In December 2011,

2254-404: The resolution of the original image is well below what would be needed to create a decent quality banner, even if it looked good on a monitor for a website. We would say more directly that a 1920 × 1080 pixel image does not have enough pixels to be printed in a large format. Printing on paper is accomplished with different technologies. Newspapers and magazines were traditionally printed using

2303-431: The size of the media (in inches) and the number of pixels (or dots) are directly related by the 'pixels per inch'. The following formula gives the number of pixels, horizontally or vertically, given the physical size of a format and the pixels per inch of the output: Pixels per inch (or pixels per centimetre) describes the detail of an image file when the print size is known. For example, a 100×100 pixel image printed in

2352-405: Was created on a monitor, it is important to understand the pixel density of both devices. Consider a 23″ HD monitor (20″ wide), that has a known, native resolution of 1920 pixels (horizontal). Let us assume an artist created a new image at this monitor resolution of 1920 pixels, possibly intended for the web without regard to printing. Rewriting the formula above can tell us the pixel density (PPI) of

2401-399: Was developing a wide range of consumer electronics. In 2020, the company sold 149.4 million smartphones and its MIUI (now Xiaomi HyperOS) mobile operating system has over 500 million monthly active users. As of August 2024, Xiaomi is the second-largest seller of smartphones worldwide, with a market share of about 12%, according to Counterpoint. Its presence led some people to call Xiaomi

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