talk time is the time period a battery charge will last, if one is constantly talking on the phone in a 3G cellular network. The battery type is determined by its structure and more specifically, by the chemicals used in it. There are different battery types and some of the most commonly used in mobile devices are the lithium-ion (Li-Ion) and the lithium-ion polymer battery (Li-Polymer). Information about the width, i.e. the horizontal side of the device when it is used in its standard orientation.

This Samsung smartphone gives the user 4GB of RAM memory. Where the Android Operating System is running, In addition to the user applications and games. And for the storage space it has 64GB of internal storage and Up to 512 GB of external memory via microSD card. talk time is the time period a battery charge will last, if one is constantly talking on the phone in a 2G cellular network. 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. The Samsung Galaxy A40 has a 5.9-inch Super AMOLED 'Infinity-U' display with an 85.5% screen-to-body ratio. It has dimensions of 144.4 mm by 69.2 mm by 7.9 mm [1] and comes equipped with an Exynos 7904 chipset, 3100 mAh battery [1] and a microSIM and dual nano SIM slot which supports VoLTE. The device is only available with 64GB of storage and 4GB of RAM and is expandable to up to 512GB of external storage via the microSD card slot. [5] Camera [ edit ]

Information about the sensor type of the camera. Some of the most widely used types of image sensors on mobile devices are CMOS, BSI, ISOCELL, etc. One of the main characteristics of the display is its type/technology, on which depends its performance. 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. Display The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc. Type/technology

The A40 is equipped with a dual rear camera arrangement with a 16 megapixel, f/1.7 aperture sensor as the main camera and an 'ultra-wide' 5 megapixels camera lens with an f/2.2 aperture as the second camera. [2] The front camera is 25 megapixels.

🧭 Sensors

Battery The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices. Capacity 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. Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Proximity Sensor 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. 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.

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 Networks A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other. GSM It measures 144.3 x 69.0 x 7.9mm and we were easily able to hold and operate the phone in one hand during our time with it. Out of all of Samsung's new A series line-up, the Galaxy A40 is the easiest to hold in one hand as it's the shortest and narrowest of the bunch.The aperture (f-stop number) indicates the 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 to the maximum possible diaphragm opening. The capacity of a battery shows the maximum charge, which it can store, measured in mili-Ampere hours. The Samsung Galaxy A40 SM-A405FN is an Android Smartphone. It has 5.9 inches Main Display with FHD+ 1080 x 2340 pixels of Resolution. This Samsung device is powered by Exynos 7885 CPU and Mali-G71 MP2 GPU. Estimated volume of the device, calculated from the dimensions provided by the manufacturer. Applies for devices in the form of a rectangular parallelepiped.

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. Information about the electric current (amperes) and voltage (volts) the charger outputs. The higher power output allows faster charging. To capture and share the best memories of your life with family and friends, You can use the cameras of this Samsung phone. The front selfie camera which has 25 megapixels of resolution, And the 16 + 5 megapixels Dual main camera with Flash and Auto Focus features. Don’t miss our list of the Best Camera Apps for Samsung phones, To capture more amazing photos. UMTS stands for Universal Mobile Telecommunications System. Based on the GSM standard, it is deemed as a 3G mobile network standard. It has been developed by the 3GPP and its major advantage is the provision of greater bandwidth and spectral efficiency, due to the W-CDMA technology.

🔌 Connectivity

Similar to the CPU, the GPU consists of processing units called cores. They handle the computation of graphics in various applications.