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Samsung Galaxy S21 Ultra 5G

Samsung Galaxy S21 Ultra 5G
৳139,999.00
SKU: 2084
Brand: Samsung
Category: Mobiles
Available Official Unofficial
  • Released 2021, January 29
  • Display 6.8" 1440x3200 pixels
  • Camera 108MP 4320p
  • Hardware Exynos 2100
  • Storage 128/256/512 GB
  • Battery 5000mAh
  • OS Android 11

Specifications

Price in Bangladesh

Official 12GB 256GB ৳1,39,999
Unofficial Unofficial prices and phones are available only non authorized shops. The device does not come with an official warranty in Bangladesh. 12GB 256GB SD ৳1,00,000 8GB 256GB Exynos ৳98,000

General

Device Type Smartphone
Model SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980
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 3.1
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. Exynos 2100 (5 nm) - International, Qualcomm SM8350 Snapdragon 888 (5 nm) - USA/China/Korea
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) - International, Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China/Korea
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 - International, Adreno 660 - USA/China/Korea
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. 12 GB, 16 GB

Design

Dimensions 165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in)
Weight 227 g (Sub6), 229 g (mmWave) (8.01 oz)
Colors Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
Build Material Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame

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 6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio)
Resolution 1440 x 3200 pixels, 20:9 ratio (~515 ppi density)
Brightness 1500 nits
Refresh Rate 120Hz
HDR 10 / HDR+ support

Rear Camera

Camera Setup Quad
Main Camera 108 MP
Specifications f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
Second Camera 10 MP
Specifications f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
Third Camera 10 MP
Specifications f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
Fourth Camera 12 MP
Specifications f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
OIS
Video 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS

Front Camera

Camera Setup Single
Secondary 40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF
Video 4K@30/60fps, 1080p@30fps

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 Fast charging 25W
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. Fast Qi/PMA wireless charging 15W
USB Type-C USB Power Delivery 3.0

Storage

Storage Type UFS 3.1
Storage Capacity 128 GB, 256 GB, 512 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-G998U1
5G Network 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1
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. 5.2, A2DP, LE
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

Sensors & Security

Fingerprint Sensor

More

Made By Korea
SAR 0.77 W/kg (head) 1.02 W/kg (body)
SAR EU 0.71 W/kg (head) 1.58 W/kg (body)

Performance Tests

AnTuTu 657150 (v8)
GeekBench 3518 (v5.1)
GFXBench 33fps (ES 3.1 onscreen)
Display 1023 nits max brightness (measured)
Loudspeaker -25.5 LUFS (Very good)
Battery (old) Endurance rating 114h

Our Rating

The overall rating is based on review by our experts.

8.6
  • Build quality 9 / 10
  • Performance 8 / 10
  • Camera quality 9 / 10
  • Display 8 / 10
  • Battery life and charging 9 / 10

PROS

  1. Superb 108MP camera with versatile quad-lens setup
  2. Stunning AMOLED 2X 120Hz display
  3. Powerful flagship-grade performance
  4. Long-lasting 5000mAh battery
  5. Fast and reliable biometric authentication
  6. 5G ready with excellent connectivity options

CONS

  1. No microSD card support
  2. No 3.5mm headphone jack
  3. Fast charging capped at 25W, which is lower than some competitors
  4. Slightly bulky and heavy at 227g

Samsung Galaxy S21 Ultra 5G Price in Bangladesh

The Samsung Galaxy S21 Ultra 5G official price in Bangladesh starts at ৳139,999 for the 12GB RAM + 256GB storage variant. Unofficial variants are also available at lower price points depending on configuration and chipset.

As a flagship smartphone, the Galaxy S21 Ultra 5G delivers a top-tier experience with a stunning 6.8″ QHD+ 120Hz AMOLED display, a 108MP quad rear camera setup, powerful Exynos 2100/Snapdragon 888 chipsets, and a 5000mAh battery with fast charging and wireless support. This device is built for premium users who want cutting-edge performance, a professional-level camera, and a bold design wrapped in Gorilla Glass Victus and aluminum.

Whether you’re a tech enthusiast, mobile gamer, or a content creator, this device stands out as one of Samsung’s best-ever smartphones.

Price & Variants

RAM & StoragePrice (BDT)Status
12GB + 256GB৳139,999Official
12GB + 256GB SD৳100,000Unofficial
8GB + 256GB Exynos৳98,000Unofficial

Samsung Galaxy S21 Ultra 5G Specifications

The Samsung Galaxy S21 Ultra 5G is a flagship device that redefines premium smartphone performance and photography. Here’s a breakdown of its full specs:

FeatureDetails
Model NameSamsung Galaxy S21 Ultra 5G
Release DateJanuary 29, 2021
Market AvailabilityAvailable
Official Price৳139,999 (12GB + 256GB)
RAM & Storage8GB/12GB/16GB RAM with 128GB/256GB/512GB storage (UFS 3.1)

Display and Design

The S21 Ultra 5G sports a 6.8-inch Dynamic AMOLED 2X display with a crisp 1440 x 3200 resolution, 120Hz refresh rate, and HDR10+ support. The screen peaks at 1500 nits brightness, making it perfect for outdoor use and immersive multimedia.

Design-wise, it boasts a premium build with Gorilla Glass Victus on both front and back, and an aluminum frame. Weighing around 227g, it has a solid, luxurious feel. It’s available in a variety of elegant colors including Phantom Black, Phantom Silver, and Phantom Titanium.

Performance and Processor

Powering the device is the Exynos 2100 (International) or Snapdragon 888 (USA/China/Korea)—both built on a 5nm process for superior energy efficiency and speed. The Octa-core CPU and Mali-G78 MP14 or Adreno 660 GPU deliver outstanding performance in gaming, multitasking, and day-to-day use.

You can choose from 8GB, 12GB, or 16GB of RAM with 128GB, 256GB, or 512GB UFS 3.1 storage. However, there is no microSD card slot, so choose your storage wisely.

Camera and Video

The camera system is where the S21 Ultra 5G shines:

  • Quad Rear Cameras:
    • 108MP (wide, OIS)
    • 10MP (periscope telephoto, 10x optical zoom)
    • 10MP (telephoto, 3x optical zoom)
    • 12MP (ultrawide with Super Steady video)

You get industry-leading features like 8K video recording, HDR10+, gyro-EIS, and stereo sound.

  • Front Camera:
    • 40MP with PDAF and 4K video support

Whether it’s day or night, wide-angle or zoom, this camera setup handles it all—making it one of the best smartphone cameras on the market.

Battery and Charging

The S21 Ultra is backed by a large 5000mAh Li-Ion battery. It supports:

  • 25W Fast Charging (wired)
  • 15W Fast Wireless Charging
  • USB Power Delivery 3.0
  • Reverse wireless charging

With power-efficient internals and display, you can easily get over a day of heavy use.

Connectivity and 5G Support

Enjoy blazing-fast internet with full 5G support (SA/NSA/Sub6/mmWave), along with:

  • Dual SIM support
  • Wi-Fi 6E, Bluetooth 5.2
  • USB Type-C 3.2 with OTG
  • GPS (GLONASS, BDS, GALILEO)
  • NFC support

This phone covers a wide range of network bands, ensuring global connectivity.

Additional Features

  • Fingerprint Sensor: Ultrasonic under-display
  • Face Unlock
  • Stereo Speakers (Tuned by AKG)
  • IP68 Water and Dust Resistance
  • One UI 3.1 based on Android 11
  • FM Radio (Snapdragon variant only)

Reason to Buy

  • Exceptional 108MP quad-camera setup
  • Brilliant 6.8″ QHD+ AMOLED 120Hz display
  • Flagship-grade Exynos 2100/Snapdragon 888 performance
  • Large 5000mAh battery with fast wired/wireless charging
  • Premium build with Gorilla Glass Victus
  • Future-proof with 5G and Wi-Fi 6E

Verdict

The Samsung Galaxy S21 Ultra 5G is an all-around powerhouse, ideal for users who want the best of everything—top-tier cameras, lightning-fast performance, a brilliant display, and long-lasting battery life. Whether you’re a mobile gamer, content creator, or professional, this device is designed to impress.

It’s a premium flagship that justifies its price with no-compromise features, making it one of the best smartphones available even in 2025.

FAQ

Q: Does the Galaxy S21 Ultra 5G support wireless charging?
Yes, it supports 15W wireless charging and reverse wireless charging.

Q: Is the storage expandable via microSD?
No, the Galaxy S21 Ultra does not support microSD card expansion.

Q: Does it have FM radio?
Only Snapdragon variants include FM radio, and even that is market-dependent.

Q: Is the Galaxy S21 Ultra waterproof?
Yes, it is IP68 rated for water and dust resistance.

Q: Can I shoot videos in 8K?
Absolutely. The rear camera can shoot up to 8K at 24fps.

Alternatives to Samsung Galaxy S21 Ultra 5G

If you’re considering other flagship options, here are some great alternatives:

  • Samsung Galaxy S22 Ultra – Improved S Pen integration, updated chipset, newer design.
  • Samsung Galaxy S23 Ultra – Snapdragon 8 Gen 2, better thermals and battery management.
  • Apple iPhone 14 Pro Max – iOS ecosystem, ProMotion display, A16 Bionic performance.
  • Google Pixel 7 Pro – Pure Android experience, superior computational photography.

User Reviews

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  • Rate this Product

  • What do you feel about Design and build quality of this device?
    5
  • Is this device perform good while watching videos, playing games, taking snapshots, browsing internet and navigate through other applications?
    5
  • Usability of Camera interface, image and video quality in different light conditions and environment.
    5
  • Screen size, image quality (brightness, colors, contrast, etc), visibility in sun light, angles of view and touchscreen.
    6
  • What about battery life, while calling, listening music, watching videos, playing games and doing other tasks.
    6
  • 6 / 10 based on your selection

Disclaimer Note

We do not guarantee that the information of this page is 100% accurate and up to date.

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