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Samsung Galaxy S21 Ultra 5G Specifcation
Samsung Galaxy S21 Ultra 5G back view
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$989


The Samsung Galaxy S21 Ultra 5G comes with Android 11, ensuring enhanced functionality and smooth multitasking. It features a huge 6.8-inches sharp QHD display, perfect for both work and entertainment. Get smooth, responsive performance for effortless day-to-day usage. With a Decent 5000 mAh battery life, you can stay powered throughout the day without frequent charging. Price starting at $989 this device offers Top-tier value, blending performance, style, and affordability.

Samsung Galaxy S21 Ultra 5G Key Features

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Display

6.8 inches (1440x3200 pixels) UHD

120Hz Refresh rate

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Camera

108+10+10+12 MP (Quad Camera)

40 MP Selfie 8K Video

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Hardware

Exynos 2100 (5 nm) - International

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OS

Android 11

One UI 6

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Ram & Storage

12GB + 128GB

12GB + 256GB

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Battery

Li-Ion 5000mAh

wired, PD3.0, 25W

Data Updated on: 01 Oct, 2026

Samsung Galaxy S21 Ultra 5G Pros & Cons

By Amit Dubey | on 01 October, 2026

7.7

/ 10

TSI Score

8.9

Design

8.2

Display

9.4

Performance

5.8

Battery

10.0

Camera

7.0

Software

8.4

Sound

7.0

Usage

Pros

Large 1440p display with 120Hz refresh rate.

5000mAh battery is substantial for a flagship of this size.

12GB RAM on the base configuration.

Exynos 2100 is a notable step up from Samsung’s previous Exynos flagship chip.

Cons

128GB base storage may feel tight with no higher capacity listed here.

No charging details provided in the supplied specs.

Large 6.8-inch body will not suit buyers after a compact phone.

International model uses Exynos rather than Snapdragon.

Samsung Galaxy S21 Ultra 5G Price and Full Specifications

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Launch Date

Announced Date

14 Jan, 2021

Released Date

29 Jan, 2021

Status

Available

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Network

Technology

GSM / CDMA / HSPA / EVDO / LTE / 5G

2G bands

GSM 850 / 900 / 1800 / 1900 / CDMA 800 / 1900 & TD-SCDMA

3G bands

HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 / CDMA2000 1xEV-DO

4G bands

LTE

5G bands

5G

Speed

HSPA 42.2 5.76 / LTE (7CA) Cat20 2000 200 / 5G (5+ Gbps DL)

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Display

Screen Size

6.8 inches, 112.1 cm² (~89.8% screen-to-body ratio)

Display Type

Dynamic AMOLED 2X

Resolution

1440 × 3200 pixels (UHD)

Aspect Ratio

20:9

PPI

515 ppi

Refresh Rate

120Hz

Brightness

1500 nits (peak)

HDR Support

HDR10+

Protection

Corning Gorilla Glass Victus

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Performance

Processor (SoC)

Exynos 2100 (5 nm) - International

Fabrication process

5nm

CPU

Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International

CPU cores

8

GPU

Mali G78 MP14 - International

Benchmarking

benchmar icon

System Performance

Samsung Galaxy S21 Ultra 5G


Overall Score

...

AnTuTu

Geekbench 6 Single-Core

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Storage

Memory12GB + 128GB, 12GB + 256GB, 16GB + 256GB, 12GB + 512GB, 16GB + 512GB
Storage type

UFS 3.1

Memory Card Slot

No

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Camera

REAR CAMERA

Type

Quad camera

Primary

108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS

Secondary

10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom

Tertiary

10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom

Quaternary

12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video

Features

LED flash, auto-HDR, panorama

Video Recording

4K @24fps

4K @30/60fps

1080p @30/60/240fps

720p @960fps

HDR10+, stereo sound rec., gyro-EIS

FRONT CAMERA

Type

Single camera

Primary

40 MP, f/2.2, 26mm (wide), 0.7µm

Features

Dual video call, Auto-HDR

Video Recording

4K @30/60fps

1080p @30fps

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Battery

Battery Capacity

Li-Ion 5000mAh

Battery Removable

No

Charging25W wired ( PD3.0)
15W wireless (Qi/PMA)
4.5W reverse wireless
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Software & OS

Operating System

Android 11

OS UI

One UI 6

Software Updates

Android 14

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Design

Dimensions

165.1 x 75.6 x 8.9 mm (2.98 x 0.35 in)

Weight

227g (8.01 oz)

Color Options

Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy

Water & Dust ResistanceIP68 dust/water resistant (up to 1.5m for 30 min)
BuildGlass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame
Stylus support
Sim Card Types

Nano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by)

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Connectivity

WLAN

Wi-Fi 802.11 a/b/g/n/ac/6e, Wi-Fi Direct

Bluetooth

5.2, A2DP, LE

Positioning

GPS, GLONASS, BDS, GALILEO

NFC

Yes

Radio

Yes (Snapdragon model only; market/operator dependent)

Infrared-port

No

USB Version

USB Type-C 3.2, OTG

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Sound

Loudspeaker

Yes, with stereo speakers

Sound JackNo 3.5mm jack
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Sensors & Features

Sensors

Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Samsung DeX, Samsung Wireless DeX (desktop experience support), Ultra Wideband (UWB) support

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Additional Info

Models

SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980

SAR

0.77 W/kg (head) 1.02 W/kg (body)

SAR EU

0.71 W/kg (head) 1.58 W/kg (body)

Pricing

$989 / R$ 5.165.05 / ₹59,990 / £207 / €244 / C$1,409.03

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What's in the Box

Samsung Galaxy S21 Ultra 5G

Handset, USB-C cable, SIM ejector tool, and quick start guide

Disclaimer: Information here may not be 100% accurate; please verify specs and prices on the retailer's website before buying. This page contains affiliate links. We may earn a commission if you make a purchase through them, at no extra cost to you. Thanks for your support!

Samsung Galaxy S Series Devices

Samsung Galaxy S21 Ultra 5G Comparisons

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Samsung Galaxy S21 Ultra 5G

$989

96% SPEC SCORE

display

6.8 inches (17.27 cm)

120Hz Display

camera

108+10+10+12 MP (Quad)

40 MP (Single)

platform

Exynos

2100 (5 nm) - International

platformOS

Android 11

One UI 6

battery

5000 mAh

25W wired

storage

12 GB RAM

128 GB Storage

Average Rating

0/5

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FAQ

Frequently Asked Questions

Is the Samsung Galaxy S21 Ultra 5G display good for gaming and media?

The Samsung Galaxy S21 Ultra 5G has a large 6.8-inch display with a 120Hz refresh rate, making it well suited for smooth gaming, scrolling, and video playback. Its 1440x3200 resolution gives it a very sharp screen for watching high-resolution content and reading fine text. Buyers who prioritize a premium viewing experience will likely find the Galaxy S21 Ultra 5G’s display one of its strongest features.

The Samsung Galaxy S21 Ultra 5G configuration listed here includes 12GB of RAM and 128GB of storage. The 12GB RAM capacity is strong for multitasking, app switching, and heavier Android use. The 128GB storage gives space for apps, photos, and videos, though buyers who keep large media libraries should consider how much local storage they typically need.

The Samsung Galaxy S21 Ultra 5G uses the Exynos 2100 chipset in the international model listed here. This 5 nm processor is designed for flagship-level Android performance, including demanding apps, multitasking, and high-refresh-rate use. Buyers should note that processor variants can differ by region, but this specification refers specifically to the Exynos 2100 version.

The Samsung Galaxy S21 Ultra 5G has a 5000mAh battery, which is a large capacity for a flagship smartphone. Battery life will vary depending on screen brightness, 120Hz display use, 5G connectivity, gaming, and background apps. For buyers, the combination of a 5000mAh battery and a large high-resolution display means endurance is a key spec to weigh against heavy usage patterns.

The Samsung Galaxy S21 Ultra 5G can be a strong buy if you want a flagship Android phone with a 6.8-inch 120Hz display, 12GB RAM, and a 5000mAh battery. The listed prices are EUR 244, GBP 207, INR 59990, and USD 989, so value depends heavily on the market and condition of the device. Buyers comparing it with newer phones should focus on whether its display quality, Exynos 2100 performance, and storage configuration meet their needs.

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