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Realme 12 4G
Specifications
Price in Bangladesh
| Official | 8GB 256GB ৳27,999 |
General
| Device Type | Smartphone |
| Model | RMX3871 |
| Announced | June, 2025 |
| Released | July, 2025 |
| Status | Available |
Hardware & Software
| Operating System OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device. | Android |
| OS Version | v14 |
| User Interface UI or user interface of a device is the look and feel of the on-screen menu system. How it works, its color scheme, how it responds to button presses, all of these things are part of the user interface. | Realme UI |
| Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming. | Qualcomm SM6225 Snapdragon 685 |
| CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone. | Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53) |
| CPU Cores | 8 Cores |
| Architecture | 64 bit |
| Fabrication | 6 nm |
| GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion. | Adreno 610 |
| RAM (Memory) RAM (Random Access Memory) is a type of computer memory that can be accessed randomly, any byte of memory can be accessed without touching the preceding bytes that allows information to be stored and accessed quickly from random locations. RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices. | 8 GB |
Design
| Dimensions | 163 x 75.5 x 7.9 mm (6.42 x 2.97 x 0.31 in) |
| Weight | 187 g (6.60 oz) |
| Colors |
Skyline Silver, Pioneer Green |
| Water Resistant | Splash proof |
| IP Rating | IP54 |
| Ruggedness | Dust proof |
Display
| Display Type Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor) | AMOLED |
| Size | 6.67 inches (107.4 cm) |
| Resolution | 1080x2400 px (FHD+) |
| Aspect Ratio | 20:9 |
| Pixel Density Pixel Density (PPI) is refers to the concentration of pixels on a particular display, measured in pixels per inch (ppi). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality. | 395 ppi |
| Screen to Body Ratio | 87.3% |
| Touch Screen | Capacitive Touchscreen, Multi-touch |
| Brightness | 2000 nits |
| Refresh Rate | 120 Hz |
| HDR 10 / HDR+ support |
Rear Camera
| Camera Setup | Dual |
| Main Camera | 50 MP |
| Second Camera | 2 MP |
| Autofocus | Yes |
| OIS | |
| Flash Flash Light => There is commonly two types of flash lights are used in camera mobile phones, LED Flash (LED flash offers lower power consumption with drive circuitry that takes up very little room, LEDs can be strobed faster than any other light source), Xenon Flash (xenon flash produces an extremely intense full-spectrum white light for a very short duration) | LED Flash |
| Image | 8150 x 6150 Pixels |
| Settings | Exposure compensation, ISO control |
| Zoom | Digital Zoom |
| Shooting Modes | Continuous Shooting, High Dynamic Range mode (HDR) |
| Aperture | f/1.9 |
| Camera Features |
Auto Flash, Face detection, Touch to focus |
| Video | 1080p@30fps |
| Video Recording Features | 1920x1080, 1280x720 |
| Video FPS | 30 fps |
Front Camera
| Camera Setup | Single |
| Secondary |
16 MP, f/2.5, (wide) |
| Aperture | f/2.5 |
| Video | 1080p@30fps |
| Video FPS | 30 fps |
Battery
| Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium. | Li-Ion (Lithium Ion) |
| Placement | Non-removable |
| Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions. | 5000 mAh |
| Quick Charging | 67W wired, 1-50% in 19 min (advertised) |
| USB Type-C | USB Type-C 2.0 |
Storage
| Storage Capacity | 128 GB, 256 GB |
| USB OTG |
Network
| 2G Network |
GSM 850 / 900 / 1800 / 1900 |
| 3G Network |
HSDPA 850 / 900 / 2100 |
| 4G Network |
1, 3, 5, 7, 8, 20, 28, 38, 40, 41 |
| SIM SIM (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages. | Standard SIM |
Data
| GPRS GPRS (General Packet Radio Service) is a packet oriented mobile data service on the 2G and 3G cellular communication system's global system for mobile communications (GSM), Generally, GPRS is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection. | |
| EDGE EDGE (Enhanced Data GSM Environment) is a wireless network technology generally considered the next step in the 2G network offers data transfer rates up to four times faster than ordinary GSM networks, Generally, EDGE is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection. | |
| Speed | HSPA, LTE |
| Web Browser Web Browser => a web browser is a software application used to locate, retrieve and display content on the World Wide Web, including Web pages, images, video and other files, The primary function of a web browser is to render HTML, the code used to design or markup webpages. | HTML5 |
Messaging
| SMS SMS (Short Messaging Service) is a text messaging service component of phone, Web, or mobile communication systems. It uses standardized communications protocols to allow mobile phone devices to exchange short text messages over the networks. | Yes |
| MMS MMS (Multimedia Messaging Service) is a standard way to send messages that include multimedia content (audio clips, video clips and images) to and from mobile phones over wireless networks using the WAP protocol. | |
| Email Email (Electronic Mail) is a system for receiving, sending, and storing electronic messages, Similar to a letter, email is text messages that may contain files, images, or other attachments sent via the internet to a recipient by using applications and software prograps. An email address is required to receive email, and that address is unique to the user. | Yes |
| IM IM (Instant Messaging) is an exchange of text messages through a software application, it enable you to create a kind of private chat room with another individual in order to communicate in real time over the Internet. | Yes |
Connectivity
| Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices. | v5.0 |
| Wi-fi Hotspot | |
| Infrared Infrared connectivity is an old wireless technology used to connect two electronic devices. It uses a beam of infrared light to transmit information and so requires direct line of sight and operates only at close range. | |
| USB | Mass storage device, USB charging |
| GPS GPS The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky. | Yes with A-GPS, Glonass |
| NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches. |
Media
| FM Radio | Unspecified |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
Sensors & Security
| Fingerprint Sensor | |
| Fingerprint Sensor Position | On-screen |
| Light Sensor | Light sensor, Proximity sensor, Accelerometer, Compass |
| Face Unlock | Yes |
More
| Made By | China |
Performance Tests
Realme 12 4G Price in Bangladesh
The Realme 12 4G is officially priced at ৳27,999 in Bangladesh for the 8GB RAM + 256GB storage variant.
Launched in July 2025, the Realme 12 4G is a mid-range smartphone designed for users seeking a balance of performance, camera capabilities, and battery life. It features a 6.67-inch AMOLED display with a 120Hz refresh rate, a 50MP dual rear camera, and a Snapdragon 685 processor. With its 5000mAh battery and 67W fast charging, this device ensures long-lasting usage with quick recharges. The Realme 12 4G stands out with its sleek design, IP54 water resistance, and Realme UI based on Android 14, making it a strong contender in its price segment.
Realme 12 4G Specifications
Display and Design
The Realme 12 4G features a 6.67-inch AMOLED display with a Full HD+ resolution of 1080×2400 pixels. With a 120Hz refresh rate and 2000 nits peak brightness, the display delivers smooth visuals and excellent outdoor visibility.
Design-wise, the phone boasts a slim 7.9mm profile and weighs 187g, making it comfortable to hold. The Skyline Silver and Pioneer Green color options add a premium touch. Additionally, the device is IP54-rated, offering splash and dust resistance, making it more durable for everyday use.
Performance and Processor
Under the hood, the Realme 12 4G is powered by the Qualcomm Snapdragon 685 chipset, built on a 6nm architecture for efficient performance. The Octa-core CPU (4×2.8 GHz Cortex-A73 & 4×1.9 GHz Cortex-A53) and Adreno 610 GPU ensure smooth multitasking and gaming.
With 8GB of RAM and 128GB/256GB storage variants, users can expect lag-free performance. The phone also supports expandable storage via microSD (though a dedicated slot isn’t mentioned). Whether you’re browsing, streaming, or playing games, the Realme 12 4G offers a solid and reliable performance for its price.
Camera and Video
The dual rear camera setup on the Realme 12 4G consists of:
- 50MP primary sensor (f/1.9 aperture) – Captures sharp and detailed images.
- 2MP secondary sensor – Likely for depth or macro shots.
It supports digital zoom, HDR mode, and AI-enhanced photography, with an LED flash for low-light shots. Video recording maxes out at 1080p@30fps.
On the front, a 16MP selfie camera (f/2.5 aperture) ensures clear selfies and 1080p video recording. The AI beauty and portrait modes enhance selfies, making them social media-ready.
Battery and Charging
The Realme 12 4G houses a 5000mAh Li-Ion battery, providing all-day battery life on a single charge. Whether you’re gaming, streaming, or working, this battery will last comfortably throughout the day.
For fast charging, the phone supports 67W wired charging, capable of reaching 50% in just 19 minutes (as advertised). The USB Type-C 2.0 port ensures efficient charging and data transfer.
Connectivity and 5G Support
Although 5G is not supported, the Realme 12 4G offers strong 4G connectivity across multiple bands. Other connectivity options include:
- Dual SIM support
- Wi-Fi Hotspot
- Bluetooth 5.0 for faster wireless connections
- GPS with A-GPS and Glonass for accurate navigation
- 3.5mm headphone jack and USB Type-C 2.0 for versatile audio and charging needs
Additional Features
The Realme 12 4G comes with various features to enhance user experience:
- On-screen fingerprint sensor for secure unlocking
- Face Unlock for quick access
- Realme UI based on Android 14 for a smooth and customizable interface
- Stereo speakers for immersive audio (not officially specified but expected in Realme devices)
- Light, proximity, accelerometer, and compass sensors for improved functionality
Reasons to Buy
Here’s why the Realme 12 4G is worth considering:
✔ Vibrant 6.67″ AMOLED display with a 120Hz refresh rate
✔ Snapdragon 685 chipset ensures smooth performance
✔ 50MP main camera with AI features for quality photos
✔ 5000mAh battery with 67W fast charging (50% in 19 mins)
✔ IP54 water and dust resistance for durability
✔ Affordable mid-range pricing with premium features
Verdict
The Realme 12 4G is an excellent choice for those seeking a mid-range smartphone with premium features at an affordable price. Its high-refresh-rate AMOLED display, efficient Snapdragon processor, strong battery life, and fast charging make it a well-rounded device. While it lacks 5G support, it excels in everyday performance, photography, and multimedia consumption. If you’re looking for a stylish, powerful, and budget-friendly smartphone, the Realme 12 4G is a great pick.
FAQ
1. What is the price of the Realme 12 4G in Bangladesh?
The official price of the 8GB RAM + 256GB storage variant is ৳27,999.
2. Does the Realme 12 4G support 5G?
No, it is a 4G-only device.
3. How fast is the charging on the Realme 12 4G?
It supports 67W wired fast charging, reaching 50% in just 19 minutes.
4. What is the battery capacity?
The phone has a 5000mAh battery, ensuring long-lasting usage.
5. Does the Realme 12 4G have an AMOLED display?
Yes, it features a 6.67-inch AMOLED panel with 120Hz refresh rate and 2000 nits brightness.
6. What are the color options?
It is available in Skyline Silver and Pioneer Green.
7. Is the Realme 12 4G water-resistant?
Yes, it has an IP54 rating, making it splash and dust-resistant.
8. Does the phone support expandable storage?
Yes, though a dedicated microSD slot is not specified.
9. Which Android version does it run on?
It runs Android 14 with Realme UI.
10. Is there a fingerprint sensor?
Yes, the phone has an on-screen fingerprint sensor.
Reviews
Disclaimer Note
We do not guarantee that the information of this page is 100% accurate and up to date.
