Xiaomi представи Redmi 9A през юни 2020, като част от серията си в бюджетния клас Redmi 9. Той е позициониран в ниския клас, като се откроява с някои отличителни параметри. Смартфонът предлага голям IPS дисплей и използва чипсет MediaTek Helio от серия G в комбинация с адекватно за ценовия клас количество памет. Redmi 9A залага и на единична основна камера с 13MP сензор. Има и батерия с висок капацитет, а конструкцията му е пластмасова.

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The color depth of the display is also known as bit depth. It shows the number of bits used for the color components of one pixel. Information about the maximum number of colors the screen can display. Information about the process technology used in manufacturing the chip. The value in nanometers represents half the distance between elements that make up the CPU. CPU is the Central Processing Unit or the processor of a mobile device. Its main function is to interpret and execute instructions contained in software applications. In India, the applicable limit for the head SAR is 1.6 W/kg per 1 g of tissue. Locally, the SAR levels are measured and certified by the Telecom Engineering Centre (TEC) or an internationally accredited lab.Information about the number of pixels on the horizontal and vertical dimensions of the photos taken by the front camera, indicated in megapixels as well. Estimated volume of the device, calculated from the dimensions provided by the manufacturer. Applies for devices in the form of a rectangular parallelepiped.

Telefon mobil Xiaomi Redmi 9A, Dual SIM, 32GB, 4G, Carbon Telefon mobil Xiaomi Redmi 9A, Dual SIM, 32GB, 4G, Carbon

Redmi 9A залага на IPS дисплей с диагонал 6.53 инча, резолюция HD+ и 5-мегапикселова селфи камера поставена в прорез. Панелът има нива на яркост 400 нита. Използван е чипсет Helio G25, който се произвежда по 12-нанометров процес и включва осемядрен процесор (4 х 2.0GHz + 4 x 1.5GHz) и графичен ускорител PowerVR GE8320. Той е в комбинация с 2/3/4/6GB RAM и 32/64/128GB eMMC 5.1 разширяема памет за файлове. Налична е батерия с капацитет 5000 mAh. The display resolution shows the number of pixels on the horizontal and vertical side of the screen. The higher the resolution is, the greater the detail of the displayed content.Information about the height, i.e. the vertical side of the device when it is used in its standard orientation. System on Chip (SoC) A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device. SoC A CPU core is the processor unit, which executes software instructions. Presently, besides single-core processors, there are dual-core, quad-core, hexa-core and so on multi-core processors. They increase the performance of the device allowing the execution of multiple instructions in parallel. Information about the number of pixels per centimeter (ppcm) or per inch (ppi) of the display. The higher the pixel density, the more detailed and clearer is the information displayed on the screen.

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In India, the highest body SAR level is limited to 1.6 W/kg per 1 g of tissue. The Telecom Engineering Centre (TEC) or an internationally accredited lab measures and certifies the mobile devices comply with this standard.

The SAR body rating shows the maximum level of exposure to electromagnetic radiation when the device is positioned against the body at the hip. The highest SAR value of mobile devices allowed in the US is set to 1.6 W/kg per 1 g of tissue. It is specified by the FCC and the CTIA follows whether the mobile devices comply with this standard. RAM (Random-Access Memory) is used by the operating system and all installed applications. Data in the RAM is lost after the device is turned off or restarted. Display The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc. Type/technology Information about additional software and hardware features of the front camera which improve its overall performance. Front camera Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc. Aperture

Redmi 9A - Specifications/ Features - Mi India - Xiaomi Redmi 9A - Specifications/ Features - Mi India - Xiaomi

f/2.2, като може да записва видео в резолюция до 1080p при 30 кадъра в секунда. Има и система за автофокус със засичане на фазата. В софтуерно отношение е използвана Android 10 с MIUI 12. Сред останалите характеристики на Redmi 9A са Wi-Fi n, Bluetooth 5.0, Micro USB порт и жак за слушалки. Конструкцията му е пластмасова и с размери 164.9 x 77.1 x 9 мм и тегло 196 гр. Телефонът се предлага в сив, син и зелен цвят. Information about additional software and hardware features of the rear camera which improve its overall performance. Information about the width, i.e. the horizontal side of the device when it is used in its standard orientation.

One of the main characteristics of the display is its type/technology, on which depends its performance.