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Display The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc. Type/technology Information about the electric current (amperes) and voltage (volts) the charger outputs. The higher power output allows faster charging. 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. Information about additional software and hardware features of the front camera which improve its overall performance.
Xiaomi Redmi 9A Цени, характеристики, снимки | Mobile Bulgaria Xiaomi Redmi 9A Цени, характеристики, снимки | Mobile Bulgaria
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. Focal length is the distance in millimeters from the focal point of the image sensor to the optical center of the lens. The 35 mm equivalent indicates the focal length at which a full-frame camera will achieve an angle of view that's the same as the one of the camera of the mobile device. It is measured by multiplying the native focal length of the camera by the crop factor of the sensor. The crop factor itself can be determined as the ratio between the diagonal distances of the image sensor in the 35 mm camera and a given sensor. Audio Information about the type of speakers and the audio technologies supported by the device. Speaker This means that the measured response time is worse than the average of all tested devices (21.8 ms).The instruction set architecture (ISA) is a set of commands used by the software to manage the CPU's work. Information about the set of instructions the processor can execute. The maximum temperature on the upper side is 40.6 °C / 105 F, compared to the average of 35 °C / 95 F, ranging from 21.9 to 56 °C for the class Smartphone. Information about the width, i.e. the horizontal side of the device when it is used in its standard orientation.
Redmi 9A - Smartphone 2 GB + 32 GB, Dual Sim, Grigio Xiaomi Redmi 9A - Smartphone 2 GB + 32 GB, Dual Sim, Grigio
One of the main characteristics of the display is its type/technology, on which depends its performance.
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. W-CDMA (Wideband Code Division Multiple Access) is an air interface used by 3G mobile networks. It is one of the three different UMTS interfaces together with the TD-SCDMA and the TD-CDMA. The standard provides faster data transfer speeds and allows more users to connect to the network simultaneously.
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Bluetooth Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances. Version Pixels are usually measured in microns (μm). Larger ones are capable of recording more light, hence, will offer better low light shooting and wider dynamic range compared to the smaller pixels. On the other hand, smaller pixels allow for increasing the resolution while preserving the same sensor size.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.
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In comparison, all tested devices range from 0.2 (minimum) to 636 (maximum) ms. » 79% of all devices are better. Design Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications. Width Sensors Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device. Sensors Operating system Operating system is the system software, which manages and controls the functioning of the hardware components of the device. Operating system (OS) This SAR rating shows the maximum level of exposure to electromagnetic radiation taken when the device is placed next to the ear. The applicable limit for the US is 1.6 W/kg per 1 g of tissue. In the US the FCC tests and sets the SAR limits for all mobile devices, which are controlled by the CTIA.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.
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