Xiaomi Redmi 8A Dual
Overview
Xiaomi Redmi 8A Dual is the upgraded version of the popular Redmi 8A. As the name suggests, the new comer comes with a dual camera modules at the back, instead of the single sensor used in the standard version. The device is literally a re-branded Redmi 8, and as such, comes with a 6.22 inch HD+ display, with a 720 x 1520 pixels resolution, featuring a notch overhead the display.
On the hardware department, there is an octa-core Qualcomm Snapdragon 439 CPU clocked at 1.95Ghz, along with Adreno 505 GPU. The device is available in either 2/3 GB RAM and 32GB internal storage with support for external SD card up to 1TB.
As mentioned above, the Redmi 8A Dual comes with a dual 13 + 2 MP main camera along with a single LED flash, while an 8 megapixel sensor seats in the display notch upfront. The phone does not come with a fingerprint scanner, but has FaceId and other Android security system.
It has a larger 5000mah battery, with support for 18W fast charging via USB Type-C interface. The device run Android 9.0 (Pie) out of the box, and provides support for dual SIM with 4G LTE networks on both SIMs. Other specification and silent features of the Xiaomi Redmi 8A Dual are detailed in the table below.
Full Specifications
NETWORK
| Technology Network technology refers to the specific protocols and standards that devices use to connect and communicate with cellular networks. | GSM / CDMA / HSPA / LTE |
| 2G Network Bands 2G network bands are specific radio frequencies used for transmitting voice, texts, and limited data in second-generation mobile networks. |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China |
| 3G Network Bands 3G network bands are specific radio frequencies allocated for third-generation mobile networks. |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global HSDPA 850 / 900 / 1900 / 2100 - China |
| 4G Network Bands 4G network bands are specific radio frequencies designated for fourth-generation mobile networks, like LTE (Long-Term Evolution) | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - All Regions including the US, Canada and China |
| 5G Network Bands 5G network bands are specific radio frequencies designed for fifth-generation mobile networks, offering significantly faster speeds, reduced latency, and increased network capacity. These bands, such as mmWave (millimeter wave) frequencies and sub-6 GHz frequencies enable advanced connectivity for various applications like IoT, augmented reality, and high-definition streaming across diverse global deployments | Does not have support for 5G Network |
| Speed Network speed refers to the rate at which data can be transmitted over a network, typically measured in bits per second (bps), kilobits per second (kbps), megabits per second (Mbps), or gigabits per second (Gbps). | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
LAUNCH
| Also Known As This refers to an alternative name of a device in another market, or the model numbers by which the device is known. |
- - |
BODY
| Dimensions Dimensions typically refers to the measurements or physical size of a device. It includes various aspects such as length, width, height, and sometimes thickness or depth, presented in units like millimeters (mm) or inches (in). | 156.5 × 75.4× 9.4 mm |
| Weight Weight refers to the mass or heaviness of a device, usually measured in units like grams (g) or ounces (oz). It indicates how heavy the device is. | 188 grams |
| Build This refers to the construction, quality, and materials used in manufacturing the product. It encompasses the overall design, durability, robustness, and sometimes the aesthetic appearance of the device. | Front (Gorilla Glass 5), aluminum frame |
| SIM Type SIM Type refers to the form or size of the Subscriber Identity Module (SIM) card that a device requires. | Dual SIM (Nano-SIM, dual stand-by) |
DISPLAY
| Display Type Display Type refers to the technology used in the screen of a device. It describes the specific method or technology employed to produce the visual output. | IPS LCD capacitive touchscreen, 16M colors |
| Size Display size refers to the physical dimensions of the screen on a device, typically measured diagonally in inches or centimeters. It represents the length of the diagonal line from one corner of the screen to the opposite corner. | 6.22 inches, 96.6 cm2 (~81.9% screen-to-body ratio) |
| Resolution Display resolution refers to the number of pixels that a screen can display horizontally and vertically. It's often represented as the total number of pixels in width by height. | 720 x 1520 pixels, 19:9 ratio (~270 ppi density) |
PLATFORM
| Operating System An operating system (OS) is the software that manages a device's hardware and software resources, providing services for programs to run and enabling users to interact with the device. It acts as an intermediary between users and the device hardware, facilitating tasks like file management, memory allocation, and device communication. | Android 9.0 (Pie); MIUI 11 |
| Chipset A chipset is a set of electronic components in a computer or other device that manages data flow between the processor, memory, peripherals, and other hardware components. It serves as a communication hub, coordinating the interactions between different parts of the computer system. | Qualcomm SDM439 Snapdragon 439 (12 nm) |
| CPU The CPU, or Central Processing Unit, is the primary component of a computer responsible for executing instructions from programs. It performs calculations, carries out logical operations, and manages data, acting as the "brain" of the device. | Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) |
| GPU A GPU, or Graphics Processing Unit, is a specialized electronic circuit designed to accelerate the creation of images on a screen. It's optimized for handling complex graphical computations and rendering, particularly for gaming, video playback, graphical design, and other visually intensive tasks. | Qualcomm Adreno 505 |
MEMORY
| RAM + ROM RAM, or Random Access Memory, is used by the computer's operating system and software to temporarily store data that is actively being used or processed. It's volatile memory, meaning it loses its stored information when the power is turned off. ROM, or Read-Only Memory, is a type of memory that retains its stored data even when the power is turned off. It contains permanent instructions that the computer uses during startup or booting processes. | 3/4 GB |
| Card Slot A memory card slot is a hardware feature commonly found on various devices such as cameras, smartphones, tablets, and some computers. It's a slot or port designed to accommodate various types of memory cards, including SD (Secure Digital), microSD, CompactFlash, Memory Stick, and others. Users can insert memory cards into these slots to expand storage capacity or transfer data between devices. | microSD, up to 1TB (uses dedicated slot) |
MAIN CAMERA
| Camera Type This refers to the camera setup on a device. It could be single, dual, triple, or even more. | Double Lenses |
| Camera Sensor(s) A camera sensor is the electronic component in a digital camera that captures incoming light and converts it into an electronic signal. It's the core element responsible for recording images. | 13 + 2 MP main camera |
| Camera Features Camera features encompass a range of functionalities and capabilities offered by a camera, which can vary based on the device's type, model, and intended use. Some common camera features include; Optical Image Stabilization (OIS) High Dynamic Range (OIS), Burst Mode, etc. |
Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Sensor size - 1/3.1" Pixel size - 1.0 μm Phase detection |
| Video Resolution Video resolution refers to the level of detail in a video image and is typically measured in terms of pixels. It represents the number of distinct pixels that can be displayed in each dimension. Common video resolutions include; HD, FHD, 2K, 4K, and 8K. | 1080p@30fps (gyro-EIS) |
SELFIE CAMERA
| Camera Type This refers to the camera setup on a device. It could be single, dual, triple, or even more. | Single Lens |
| Camera Sensor(s) A camera sensor is the electronic component in a digital camera that captures incoming light and converts it into an electronic signal. It's the core element responsible for recording images. | 8-megapixel |
| Camera Features Camera features encompass a range of functionalities and capabilities offered by a camera, which can vary based on the device's type, model, and intended use. Some common camera features include; Optical Image Stabilization (OIS) High Dynamic Range (OIS), Burst Mode, etc. |
Sensor size - 1/3.1" Pixel size - 1.12 μm Face unlock |
| Video Resolution Video resolution refers to the level of detail in a video image and is typically measured in terms of pixels. It represents the number of distinct pixels that can be displayed in each dimension. Common video resolutions include; HD, FHD, 2K, 4K, and 8K. | 1080p@30fps |
SOUND
| Loudspeaker A loudspeaker is an electroacoustic transducer that converts electrical signals into sound. It consists of various components like a diaphragm, voice coil, magnet, and enclosure. | Yes |
| Speaker Location This simply refers to where the loudspeaker is located on a device. Some common placement includes the rear, basement, sides, and even at the top or within the earpiece grill. | Chin, below display |
| Audio Jack Type Audio jacks come in different types, each with specific sizes and functionalities. Some common ones include a USB-C audio port, a 3.5mm jack, 6.3mm jack. | Yes, 3.5mm audio jack |
| Sound Enhancements | Active noise cancellation with dedicated mic |
CONNECTIVITY
| USB USB stands for Universal Serial Bus, a standard interface used for connecting various devices to a computer or other compatible host device. USB ports come in different shapes and sizes (such as USB-A, USB-B, USB-C) and have evolved over time to offer increased data transfer speeds and power delivery capabilities. | 2.0, Type-C 1.0 reversible connector, USB On-The-Go |
| Bluetooth Bluetooth is a wireless technology standard used for exchanging data over short distances between devices. It enables devices like smartphones, headphones, speakers, keyboards, and other peripherals to communicate and transmit data without the need for physical wired connections. | Bluetooth 4.2, A2DP, LE, aptX, Infrared port |
| Wi-fi Wi-Fi is a wireless networking technology that allows devices to connect to the internet and communicate wirelessly within a local area network (LAN). It uses radio waves to transmit data between devices, such as computers, smartphones, tablets, and other devices equipped with Wi-Fi capabilities. | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| NFC NFC stands for Near Field Communication, a short-range wireless technology that enables devices to communicate with each other when they're brought into close proximity, typically within a few centimeters. NFC allows for contactless data exchange between devices, facilitating various functions like contactless payments, data transfer between smartphones or other compatible devices. | |
| GPS GPS stands for Global Positioning System, a satellite-based navigation system that provides location and time information to users anywhere on or near the Earth. It uses a network of satellites orbiting the Earth to accurately determine the precise location of a GPS receiver or device. | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| FM Radio | Yes, FM radio (wireless) |
BATTERY
| Battery Capacity Battery capacity refers to the amount of electrical charge a battery can store, typically measured in milliampere-hours (mAh) or ampere-hours (Ah). It represents the total amount of energy the battery can hold and consequently determines how long a device can operate before requiring recharging. | Non-removable Li-Po 5000 mAh battery |
| Fast Charging Battery fast charging is a technology that enables devices to recharge their batteries at a much quicker rate than traditional charging methods. It's designed to reduce the time required to replenish the battery's charge significantly. | Yes, Fast battery charging 18W |
| Wireless Charging Wireless Charging (Inductive Charging) uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device. | No |
| Talk Time Talk Time is the longest time that a single battery charge will last when you are constantly talking on the phone under perfect conditions, Ambient temperature and highly dependent on the cellular network environment such as the distance to the closest cell network tower. | Up to 38 hours |
| Stand-by | Up to 830 hours |
| Music Play | Up to 56 hours |
OTHER FEATURES
| Sensors Smartphones and mobile devices incorporate various sensors that enable them to interact with their environment and provide enhanced functionalities. Some common sensors found in these devices include; an accelerometer, gyroscope, compass, proximity sensor, etc. | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Java Support Java support refers to the compatibility and ability of a device or software platform to run Java-based applications or programs. Java is a widely used programming language known for its platform independence, allowing applications written in Java to run on various devices and operating systems without requiring recompilation. | No |
| Box Contents This refers to items or accessories included in the box of the smartphones. That is items that are available in the box from the device manufacturer. | Charging Brick / USB cable |
Do Xiaomi Redmi 8A dual support two different users in one device?