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Samsung Galaxy S21 5G
Specifications
Price in Bangladesh
| Unofficial Unofficial prices and phones are available only non authorized shops. The device does not come with an official warranty in Bangladesh. | 8GB +128GB ৳52,000 / 8GB + 265GB ৳.57,000 |
General
| Device Type | Smartphone |
| Model | SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q, SCG09 |
| Announced | January, 2025 |
| Released | January, 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 | v11 |
| 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. | One UI 6.1 |
| 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. | Samsung Exynos 2100 |
| 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 (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) |
| CPU Cores | 8 Cores |
| Architecture | 64 bit |
| Fabrication | 5 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. | Mali-G78 MP14 |
| 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 | 151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in) |
| Weight | 169 g (Sub6), 171 g (mmWave) (5.96 oz) |
| Colors |
Phantom Gray, Phantom White, Phantom Violet, Phantom Pink |
| Build Material | Glass front (Gorilla Glass Victus), plastic back, aluminum frame |
| Water Resistant | Water resistant (up to 30 minutes in a depth of 1.5 meter) |
| IP Rating | IP68 |
| 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) | Dynamic AMOLED 2x |
| Size | 6.2 inches (15.75 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. | 421 ppi |
| Screen to Body Ratio | 87.2 % |
| Touch Screen | Capacitive Touchscreen, Multi-touch |
| Brightness | 1300 nits |
| Features |
Always-on display |
| Refresh Rate | 120 Hz |
| HDR 10 / HDR+ support |
Rear Camera
| Camera Setup | Triple |
| Main Camera | 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS |
| Second Camera | 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom |
| Third Camera | 12 MP, f/2.2, 13mm (ultrawide), 1.4µm, Super Steady video |
| Autofocus | Phase Detection autofocus, Dual Pixel autofocus |
| 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 | 4000 x 3000 Pixels |
| Settings | Exposure compensation, ISO control |
| Zoom | Digital Zoom |
| Shooting Modes | Continuous Shooting, High Dynamic Range mode (HDR) |
| Aperture | f/1.8 |
| Camera Features |
Auto Flash, Face detection, Touch to focus |
| Video | 8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS |
| Video Recording Features | 7680x4320, 3840x2160, 1920x1080, 1280x720 |
| Video FPS | 24 fps, 30 fps, 60 fps, 240 fps, 960 fps |
Front Camera
| Camera Setup | Single |
| Secondary |
10 MP, f/2.2, 26mm (wide), 1/3.2", 1.22µm, Dual Pixel PDAF |
| Aperture | f/2.2 |
| Video | 4K@30/60fps, 1080p@30fps |
| Video FPS | 30 fps, 60 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. | 4000 mAh |
| Quick Charging | 25W wired, PD3.0 |
| 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. |
15W wireless (Qi/PMA) |
| USB Type-C | USB Type-C 3.2 |
| 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 33 Hours(4G) |
Storage
| Storage Type | UFS 3.1 |
| Storage Capacity | 128 GB, 256 GB |
| USB OTG |
Network
| 2G Network |
GSM 850 / 900 / 1800 / 1900 |
| 3G Network |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network |
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G991U1 |
| 5G Network |
2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G991U1 |
| 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 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL) |
| 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. | 5.0, A2DP, LE |
| Wi-fi Wi-Fi is a popular wireless networking technology using radio waves to provide high-speed network connections that allows devices to communicate without cords or cables, Wi-Fi is increasingly becoming the preferred mode of internet connectivity all over the world. | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 5GHz, MIMO |
| 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 | USB Type-C 3.2, OTG |
| 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. | GPS, GLONASS, BDS, GALILEO |
| 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 | FM radio (Snapdragon model only; market/operator dependent) |
| Alert Types | Vibration, MP3, WAV ringtones |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | No |
| Audio Jack | USB Type-C |
Sensors & Security
| Fingerprint Sensor | |
| Fingerprint Sensor Position | On-screen |
| Light Sensor | Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope |
| Face Unlock | Yes |
More
| Made By | Korea |
| SAR | 0.74 W/kg (head) 1.08 W/kg (body) |
| SAR EU | 0.46 W/kg (head) 1.51 W/kg (body) |
Performance Tests
| AnTuTu | 584055 (v8) |
| GeekBench | 3238 (v5.1) |
| GFXBench | 60fps (ES 3.1 onscreen) |
| Display | 856 nits max brightness (measured) |
| Loudspeaker | -26.4 LUFS (Good) |
| Battery (old) | Endurance rating 93h |
PROS
- Stunning 120Hz AMOLED display
- Excellent camera and 8K video support
- Compact and lightweight design
- Fast and wireless charging support
- Strong performance from Exynos 2100
- IP68 water and dust resistance
CONS
- No microSD card slot
- Plastic back instead of glass
- Average battery life under heavy use
- No charger included in the box
Samsung Galaxy S21 5G Price in Bangladesh
The Samsung Galaxy S21 5G is available in Bangladesh at an unofficial price of ৳52,000 for the 8GB RAM + 128GB variant and ৳57,000 for the 8GB RAM + 256GB version.
Samsung’s Galaxy S21 5G is a flagship smartphone designed for users who value style, performance, and top-tier camera technology. With its sleek glass and aluminum build, smooth 120Hz Dynamic AMOLED 2X display, and powerful Exynos 2100 (5nm) processor, it delivers a premium smartphone experience. The phone’s 64MP triple camera system, 8K video recording, IP68 water resistance, and fast wireless charging make it one of the most complete Android flagships of its generation.
Price & Variants
| RAM & Storage | Price (BDT) | Status |
|---|---|---|
| 8GB + 128GB | ৳52,000 | Available (Unofficial) |
| 8GB + 256GB | ৳57,000 | Available (Unofficial) |
Samsung Galaxy S21 5G Specifications
The Samsung Galaxy S21 5G continues Samsung’s tradition of delivering high-end craftsmanship and innovation. It packs flagship-grade hardware, excellent camera capabilities, and 5G connectivity in a compact, premium body.
| Feature | Details |
|---|---|
| Model Name | Samsung Galaxy S21 5G |
| Release Date | January 2021 |
| Market Availability | Available (Unofficial in Bangladesh) |
| Official Price | ৳52,000 (8GB/128GB), ৳57,000 (8GB/256GB) |
| RAM & Storage | 8GB RAM with 128GB or 256GB UFS 3.1 Storage |
Display and Design
The Galaxy S21 5G features a 6.2-inch Dynamic AMOLED 2X display with Full HD+ (1080×2400 pixels) resolution and an ultra-smooth 120Hz refresh rate. It supports HDR10+ and reaches up to 1300 nits brightness, ensuring vivid colors and excellent outdoor visibility.
Design-wise, it’s elegant and refined — the Gorilla Glass Victus front, aluminum frame, and plastic back offer durability without compromising aesthetics. The phone weighs 169g, making it lightweight and comfortable to hold. With an IP68 rating, it’s dust- and water-resistant for up to 1.5 meters for 30 minutes. Available colors include Phantom Gray, Phantom White, Phantom Violet, and Phantom Pink.
Performance and Processor
Under the hood, the Galaxy S21 5G is powered by the Exynos 2100 chipset built on the 5nm process, delivering outstanding performance and efficiency. Its octa-core CPU (1×2.9GHz Cortex-X1, 3×2.8GHz Cortex-A78, and 4×2.2GHz Cortex-A55) combined with a Mali-G78 MP14 GPU ensures smooth multitasking and lag-free gaming.
The phone comes with 8GB of RAM and UFS 3.1 storage options (128GB or 256GB), though it lacks microSD expansion. From high-end gaming to 8K video editing, the S21 handles everything effortlessly.
Camera and Video
The Galaxy S21 5G boasts a triple rear camera setup:
- 12MP (wide) with Dual Pixel PDAF and OIS
- 64MP (telephoto) with hybrid zoom and OIS
- 12MP (ultrawide) with Super Steady video support
It captures exceptional photos in all lighting conditions, supported by features like HDR, Scene Optimizer, Night Mode, and Pro Mode. For video, it supports 8K recording at 24fps, 4K at 60fps, and Super Slow-Mo at 960fps.
The 10MP front camera delivers sharp selfies and supports 4K video recording at 60fps, ideal for vloggers and video calls.
Battery and Charging
The Galaxy S21 5G is powered by a 4000mAh non-removable Li-Ion battery, offering a full day of moderate to heavy use. It supports 25W fast wired charging, 15W wireless charging, and 4.5W reverse wireless charging. With improved power efficiency from the Exynos 2100, it balances performance and battery life well.
Connectivity and 5G Support
The device supports a wide range of network bands, including 2G, 3G, 4G LTE, and 5G connectivity for ultra-fast speeds. It features dual SIM capability (market dependent), Wi-Fi 6, Bluetooth 5.0, GPS with GLONASS, BDS, and GALILEO, NFC, and USB Type-C 3.2 with OTG support.
Its 5G modem ensures faster downloads and lower latency, future-proofing your mobile experience.
Additional Features
The Galaxy S21 5G runs Android 11 with One UI 6.1, ensuring a smooth and intuitive interface. It includes an under-display fingerprint sensor, face unlock, stereo speakers tuned by AKG, and Samsung DeX support for desktop-like multitasking.
It also offers IP68 water resistance, Always-On Display, Game Booster, and various motion and health tracking sensors.
Reason to Buy
- Flagship-grade Dynamic AMOLED 2X 120Hz display
- Premium design with IP68 water resistance
- Excellent triple camera system with 8K recording
- Strong Exynos 2100 performance for gaming and multitasking
- Wireless and reverse charging support
- Stereo speakers and One UI 6.1 for a smooth user experience
Verdict
The Samsung Galaxy S21 5G remains one of the most well-rounded flagships in Samsung’s lineup. It delivers an ideal balance between performance, design, and camera quality — all wrapped in a compact and elegant body.
If you want a premium smartphone with a stunning display, flagship-grade performance, and future-ready 5G support without paying the high price of newer flagships, the Galaxy S21 5G is an excellent choice for professionals, content creators, and everyday users alike.
FAQ
Q1: Does the Samsung Galaxy S21 5G support wireless charging?
Yes, it supports 15W wireless charging and reverse wireless charging.
Q2: Is the Galaxy S21 5G waterproof?
Yes, it has an IP68 rating, making it resistant to water and dust.
Q3: Can I expand the storage via microSD card?
No, the Galaxy S21 5G does not have a microSD slot.
Q4: What version of Android does it run?
It ships with Android 11, upgradable to newer versions via One UI updates.
Q5: Is the Samsung Galaxy S21 5G good for gaming?
Absolutely. With the Exynos 2100 and Mali-G78 GPU, it handles modern games smoothly at high settings.
Alternatives to Samsung Galaxy S21 5G
If you’re considering similar options, here are a few great alternatives:
- Samsung Galaxy S22 5G – Upgraded chipset and camera improvements.
- Google Pixel 7 – Exceptional camera and clean Android experience.
- OnePlus 11 5G – Excellent performance and fast charging.
- iPhone 13 – Great camera and long software support for Apple fans.
User Reviews
Disclaimer Note
We do not guarantee that the information of this page is 100% accurate and up to date.
