Samsung Galaxy S21 5G: specs, release date, camera, screen, size, reviews

Added 01.15.21 | Updated 01.10.24

Key Features of the Samsung Galaxy S21 5G

  • Model: Galaxy S21 5G
  • Brand: Samsung
  • Rating: 4.00 out of 5 (58 votes)
  • Release Date:  January 14, 2021
  • Price: $ 800
  • Processor: Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55)
  • Storage and memory: 128GB 8GB RAM
  • Screen: Dynamic AMOLED 2X 6.2 inc
  • Main Camera:  Triple, 12MP
  • Selfie Camera:  Single, 10MP

Table of contents

Description of the Samsung Galaxy S21 5G Specs

The Samsung Galaxy S21 5G is a premium smartphone that was launched on January 14, 2021. This device is compatible with a wide range of networks, including GSM, CDMA, HSPA, EVDO, LTE, and 5G, ensuring comprehensive global connectivity. Notably, it offers 5G network technology, with both SA/NSA/Sub6/mmWave bands supported for fast and reliable internet speeds.

Samsung Galaxy S21 5G Detailed Specifications in Table

Common | Price | Design | Screen | Hardware | Memory | Software | Main Camera | Selfie camera | Cellular | Connectivity | Battery | Audio | Sensors | Performance Benchmark

Samsung Galaxy S21 5G Release dateCommon

Brand and model

Samsung Galaxy S21 5G

Other names

Versions: SM-G991B, SM-G991B/DS (International); SM-G991U (USA); SM-G991U1 (USA unlocked); SM-G991W (Canada); SM-G991N (Korea); SM-G9910 (China)

Launch date

14 January 2021

Samsung Galaxy S21 5G PricePrice

First price

$ 800

Samsung Galaxy S21 5G dimension, size, weightDesign

Height

5.97 inc (151.7 mm)

Width

2.8 inc ( 71.2 mm)

Depth

0.31 inc ( 7.9 mm)

Weight

5.96 oz (169 grams)

Build materials

Glass front (Gorilla Glass Victus), plastic back, aluminum frame

Water resistant

Samsung Pay (Visa, MasterCard certified) IP68 dust/water resistant (up to 1.5m for 30 mins)

Colors

Phantom Gray, Phantom White, Phantom Violet, Phantom Pink

Samsung Galaxy S21 5G screenScreen

Technology Dynamic AMOLED 2X
Size

6.2 inc

Screen Area

94.1 cm2

Resolution

1080 x 2400 px

Points per inch

421 PPI

Color Depth

16M

Ratio (height:width)

20:9

Ratio (screen:body)

87.2%

Screen Protection

Corning Gorilla Glass Victus

Additional Features

-Always-on display
-120Hz
-HDR10+
-1300 nits (peak)

Samsung Galaxy S21 5G ProcessorHardware

Chipset

- Exynos 2100 (5 nm)
or Qualcomm SM8350 Snapdragon 888 (5 nm) - USA/China

Processor CPU

- 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

Graphics processor GPU

- Mali-G78 MP14 - International
-Adreno 660 - USA/China

Samsung Galaxy S21 5G Memory and storageMemory

Internal Memory

128GB 8GB RAM, 256GB 8GB RAM

Memory Card Slot

No

Samsung Galaxy S21 5G SoftwareSoftware

Operating System (OS)

Android 11, One UI 3.1

User Interface

Samsung Galaxy S21 5G main camera specsMain Camera

Number of Cameras

Triple

Specs

-12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS
-64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom
-12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video

Features

LED flash, auto-HDR, panorama

Video Recording 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS
DxOMark Rating116 (Position 124 out of 297)
DxOMark Photos123
DxOMark Video93

Samsung Galaxy S21 5G selfie camera specsSelfie camera

Number of Cameras

Single

Specs

-10 MP, f/2.2, 26mm (wide), 1/3.24'', 1.22µm, Dual Pixel PDAF

Features

Dual video call, Auto-HDR

Video Recording 4K@30/60fps, 1080p@30fps
DxOMark Rating98 (Position 39 out of 101)
DxOMark Photos100
DxOMark Video95

Samsung Galaxy S21 5G Cellular BandsCellular

Bands GSM / CDMA / HSPA / EVDO / LTE / 5G
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only) 
CDMA 800 / 1900 & TD-SCDMA
-3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100  
CDMA2000 1xEV-DO
-4G - LTE
-5G - SA/NSA/Sub6/mmWave
SIM Card Single SIM (Nano-SIM and/or eSIM)Dual SIM (Nano-SIM and/or eSIM, dual stand-by)
Speed HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
SAR EU 0.46 W/kg (head) 1.51 W/kg (body)
SAR 0.74 W/kg (head) 1.08 W/kg (body)

Samsung Galaxy S21 5G wifi bluetooth gps nfcConnectivity

Wi-Fi Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Bluetooth 5.0, A2DP, LE
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO
NFC Yes
USB USB Type-C 3.2, USB On-The-Go

Samsung Galaxy S21 5G Battery type and CapacityBattery

Capacity

4000 mAh

Type

Li-Ion, non-removable

Charging

-Fast charging 25W
-USB Power Delivery 3.0
-Fast Qi/PMA wireless charging 15W
-Reverse wireless charging 4.5W

Samsung Galaxy S21 5G sound and multimediaAudio

Headphone Jack No
Radio FM radio (Snapdragon only)
Others -32-bit/384kHz audio
-Tuned by AKG
-stereo speakers

Sensors

Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer

Other specifications

Others

-Samsung DeX, Samsung Wireless DeX (desktop experience support)
-ANT+
-Bixby natural language commands and dictation

Performance Benchmark

Samsung Galaxy S21 5G antutu score Antutu Score

Antutu 10 Total715197 (Position 147 out of 259)
Antutu 10 CPU205401 (Position 102 out of 182)
Antutu 10 GPU214138 (Position 86 out of 182)
Antutu 10 Mem131954 (Position 109 out of 182)
Antutu 10 UX163704 (Position 105 out of 182)
Antutu 9 Score755368 (Position 226 out of 1346)
Antutu 8 Score601547 (Position 58 out of 1145)

See the page Samsung Galaxy S21 5G Antutu where you will find details about the Antutu result of the device, rankings, and similar models

Samsung Galaxy S21 5G geekbench ScoreGeekbench Score

GeekBench 5 Single Core945 (Position 260 out of 1887)
GeekBench 5 Multi-Core3061 (Position 292 out of 1876)

See the page Samsung Galaxy S21 5G Geekbench where you will find details about the Geekbench result of the device, rankings, and similar models.

Disclaimer: This information is based on public data and official specifications from Samsung. However, there may be differences in specifications.

*Source of data https://www.samsung.com/uk/smartphones/galaxy-s21-5g/specs/


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Samsung Galaxy S21 5G video reviews

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Samsung Galaxy S21 5G Reviews and Opinions

Rate this smartphone
4.00 / 5
(58)

Pros:
  • Fantastic, versatile camera with powerful zoom capabilities
  • Competitively priced, cheaper than its predecessor, the Galaxy S20
  • Powerful and snappy performance full of features to explore
  • Refined design and improved speakers over the last generation
  • Excellent dynamic 120Hz display
Cons:
  • No microSD card 
  • Screen quality may not be the best 
  • No charger included in the box
  • Plastic back can feel less premium
  • Some camera inconsistencies and UI aesthetics may not appeal to everyone
  • Overabundance of features may overwhelm some users

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Frequently Asked Questions

How much does Samsung Galaxy S21 5G cost?

The price of the Samsung Galaxy S21 5G varies based on the specific model and storage capacity. As of the latest update, the base model starts at $ 800. Prices increase for models with larger storage capacity and additional features.

When did the Samsung Galaxy S21 5G come out?

Samsung Galaxy S21 5G mobile was launched on January 14, 2021 in these colors: Phantom Gray, Phantom White, Phantom Violet, Phantom Pink.

What is the size and weight of Samsung Galaxy S21 5G ?

The Samsung Galaxy S21 5G has dimensions of Height: 151.7 mm Width: 71.2 mm Thickness: 7.9 mm and weighs approximately 169 grams.

What is the screen size and resolution of Samsung Galaxy S21 5G?

When measured as a standard rectangular shape, the screen is 6.2 inches diagonally offering a resolution of 1080 x 2400 px at a pixel density of 421 ppi.

How much memory and storage does a Samsung Galaxy S21 5G have?

Device comes with chipset Exynos 2100 (5 nm) with processor 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. Samsung Galaxy S21 5G is available with internal memory of 128GB 8GB RAM, 256GB 8GB RAM.

What are the main camera specifications and megapixels of the Samsung Galaxy S21 5G?

The device have a Triple rear camera setup with specs of 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video and features like LED flash, auto-HDR, panorama

What are the front camera specs and MP of the Samsung Galaxy S21 5G?

The device comes with Single front camera setup with specs of 10 MP, f/2.2, 26mm (wide), 1/3.24'', 1.22µm, Dual Pixel PDAF and features like Dual video call, Auto-HDR