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Brand name of the company that manufactures the device.

Model name of the device.

Аlternative names, under which the mã sản phẩm is known.

Information about the width, i.e. The horizontal side of the device when it is used in its standard orientation.

Information about the height, i.e. The vertical side of the device when it is used in its standard orientation.

Information about the thickness/depth of the device in different measurement units.

Information about the weight of the device in different measurement units.

Estimated volume of the device, calculated from the dimensions provided by the manufacturer. Applies for devices in the size of a rectangular parallelepiped.

Information about the colors, in which the device is available in the market.

Materials used in the fabrication of the device"s body.

Information about the type and kích cỡ (form factor) of the SIM card used in the device.

Information about the number of SIM cards, supported by the device.

Information about some specific features related khổng lồ the SIM card(s) of the device.

GSM (Global System for sản phẩm điện thoại Communications) was developed to replace the analog cellular network (1G), therefore it is referred khổng lồ as a 2G sản phẩm điện thoại network. It has been improved with the addition of General Packet Radio Services (GPRS) và later via the Enhanced Data rates for GSM Evolution (EDGE) technology.

UMTS stands for Universal mobile Telecommunications System. Based on the GSM standard, it is deemed as a 3G smartphone network standard. It has been developed by the 3GPP & its major advantage is the provision of greater bandwidth & spectral efficiency, due khổng lồ the W-CDMA technology.

LTE is deemed to be the fourth generation (4G) of sản phẩm điện thoại communications technology. It has been developed by the 3GPP based on the GSM/EDGE and UMTS/HSPA technologies in order to lớn increase the speed and capacity of wireless data networks. A further development of the công nghệ is called LTE Advanced.

There are several network technologies that enhance the performance of smartphone networks mainly by increased data bandwidth. Information about the communication technologies supported by the device và their respective uplink & downlink bandwidth.

Information about the operating system used by the device as well as its version.

Name & version of the user interface (UI) used by the operating system (OS).

The SoC integrates different hardware components such as the CPU, GPU, memory, peripherals, interfaces, etc., as well as software for their functioning.

Information about the process technology used in manufacturing the chip. The value in nanometers represents half the distance between elements that ảo diệu the CPU.

CPU is the Central Processing Unit or the processor of a mobile device. Its main function is to lớn interpret & execute instructions contained in software applications.

The CPU bits are determined by the bit-size of the processor registers, address buses & data buses. 64-bit CPUs provide better performance than 32-bit ones, which on their part perform better than 16-bit processors.

The instruction mix architecture (ISA) is a set of commands used by the software khổng lồ manage the CPU"s work. Information about the set of instructions the processor can execute.

A CPU bộ vi xử lý 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.

The frequency of the processor describes its clock rate in cycles per second. It is measured in Megahertz (MHz) or Gigahertz (GHz).

GPU is a graphical processing unit, which handles computation for 2D/3D graphics applications. In smartphone devices GPU is usually utilized by games, UI, video playback, etc. GPU can also perform computation in applications traditionally handled by the CPU.

RAM (Random-Access Memory) is used by the operating system và all installed applications. Data in the RAM is lost after the device is turned off or restarted.

Information about the type of RAM used by the device.

Information about the number of RAM channels integrated in the SoC. More channels mean higher data transfer rates.

RAM frequency relates directly to the rate of reading/writing from/in the RAM memory.

Information about the capacity of the built-in storage of the device. Sometimes one và the same mã sản phẩm may is offered in variants with different internal storage capacity.

The various types of memory cards are characterized by different sizes and capacity. Information about the supported types of memory cards.

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

In smartphone devices display form size is represented by the length of its diagonal measured in inches.

Approximate width of the display

Approximate height of the display

The ratio between the long và the short side of the display

The display resolution shows the number of pixels on the horizontal & vertical side of the screen. The higher the resolution is, the greater the detail of the displayed content.

Information about the number of pixels per centimeter (ppcm) or per inch (ppi) of the display. The higher the pixel density, the more detailed & clearer is the information displayed on the screen.

The màu sắc 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.

The estimated percentage of the screen area from the device"s front area.

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Information about other functions and features of the display.

Sensors vary in type and purpose. They increase the overall functionality of the device, in which they are integrated.

Information about the sensor type of the camera. Some of the most widely used types of image sensors on thiết bị di động devices are CMOS, BSI, ISOCELL, etc.

The aperture (f-stop number) indicates the form size of the lens diaphragm opening, which controls the amount of light reaching the image sensor. The lower the f-stop number, the larger the diaphragm opening is, hence, the more light reaches the sensor. Usually, the f-stop number specified is the one that corresponds khổng lồ the maximum possible diaphragm opening.

The rear cameras of mobile devices use mainly a LED flash. It may arrive in a single, dual- or multi-light setup and in different arrangements.

One of the main characteristics of the cameras is their image resolution. It states the number of pixels on the horizontal and vertical dimensions of the image, which can also be shown in megapixels that indicate the approximate number of pixels in millions.

Information about the maximum resolution at which the rear camera can shoot videos.

Information about the maximum number of frames per second (fps) supported by the rear camera while recording clip at the maximum resolution. Some of the main standard frame rates for recording and playing clip are 24 fps, 25 fps, 30 fps, 60 fps.

Information about additional software và hardware features of the rear camera which improve its overall performance.

The aperture (f-stop number) indicates the kích cỡ of the lens diaphragm opening, which controls the amount of light reaching the image sensor. The lower the f-stop number, the larger the diaphragm opening is, hence, the more light reaches the sensor. Usually, the f-stop number specified is the one that corresponds khổng lồ the maximum possible diaphragm opening.

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.

Information about the maximum resolution of the videos shot by the front camera.

Digital cameras are able khổng lồ shoot videos at different frames per second (fps). Some of the main standard frame rates for recording and playing video clip are 24 fps, 25 fps, 30 fps, 60 fps. Information about the maximum possible fps for shooting videos at the maximum possible resolution.

Information about additional software và hardware features of the front camera which improve its overall performance.

The loudspeaker is a device, which reproduces various sounds such as ring tones, alarms, music, voice calls, etc. Information about the type of speakers the device uses.

Information whether the device has an FM radio receiver or not.

The tracking/positioning service is provided by various satellite navigation systems, which track the autonomous geo-spatial positioning of the device that supports them. The most common satellite navigation systems are the GPS & the GLONASS. There are also non-satellite technologies for locating mobile devices such as the Enhanced Observed Time Difference, Enhanced 911, GSM Cell ID.

Wi-Fi communication between devices is realized via the IEEE 802.11 standards. Some devices have the possibility lớn serve as Wi-Fi Hotspots by providing mạng internet access for other nearby devices. Wi-Fi Direct (Wi-Fi P2P) is another useful standard that allows devices to communicate with each other without the need for wireless access point (WAP).

The công nghệ has several versions, which improve the connection speed, range, connectivity and discoverability of the devices. Information about the bluetooth version of the device.

Bluetooth uses various profiles & protocols related lớn faster exchange of data, energy saving, better device discoverability, etc. Some of those supported by the device are listed here.

There are several USB connector types: the Standard one, the Mini và Micro connectors, On-The-Go connectors, etc. Type of the USB connector used by the device.

There are several versions of the Universal Serial Bus (USB) standard: USB 1.0 (1996), the USB 2.0 (2000), the USB 3.0 (2008), etc. With each following version the rate of data transfer is increased.

Тhe USB interface in mobile devices may be used for different purposes such as battery charging, using the device as a mass storage, host, etc.

Information whether the device is equipped with a 3.5 mm audio jack.

Information about some of the most widely used connectivity technologies supported by the device.

Information about some of the features & standards supported by the browser of the device.

List of some of the most common audio tệp tin formats và codecs supported standardly by the device.

List of some of the most common clip file formats & codecs supported standardly by the device.

The capacity of a battery shows the maximum charge, which it can store, measured in mili-Ampere hours.

The battery type is determined by its structure và more specifically, by the chemicals used in it. There are different battery types and some of the most commonly used in di động devices are the lithium-ion (Li-Ion) & the lithium-ion polymer battery (Li-Polymer).

2G stand-by time is the longest time a battery charge will last, if the device is not used but is constantly connected khổng lồ the 2G cellular network.

3G stand-by time is the longest time a battery charge will last, if the device is not used but is constantly connected to the 3G di động network.

Information about some additional features of the device"s battery.

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