Samsung Galaxy S21 Specifications

Released 2021, January 29

The Samsung Samsung Galaxy S21 is a sophisticated smartphone featuring a 6.2" display with 1080 x 2400 pixels, 20:9 ratio (~421 ppi density) resolution, powered by the Exynos 2100 processor.

Photography enthusiasts will appreciate its 64MP camera system capable of recording 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS.

The device is equipped with a 4000mAh battery supporting 25W wired, PD3.0 15W wireless (Qi/PMA) 4.5W reverse wireless and runs on Android 11, up to 4 major Android upgrades, One UI 6.1, officially released 2021, January 14.

Display

6.2" 1080x2400 pixels

Camera

64MP

Chipset

Exynos 2100

Battery

4000mAh 25W15W

Frequently Asked Questions

What are the key specifications of the device?

The Samsung Galaxy S21 features a Exynos 2100 processor, 6.2" display, 64MP main camera, and 4000mAh battery.

What processor (CPU) and GPU does the Samsung Galaxy S21 use?

Samsung Galaxy S21 is powered by Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China with Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - InternationalOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China and Mali-G78 MP14 - InternationalAdreno 660 - USA/China graphics.

What type of display does Samsung Galaxy S21 have? What is the size and resolution?

Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak) 6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio) with 1080 x 2400 pixels, 20:9 ratio (~421 ppi density)

What network technologies does Samsung Galaxy S21 support? Does it support 5G?

Samsung Galaxy S21 supports 5G technology.

What materials is it made of?

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

What are the charging capabilities?

25W wired, PD3.0 15W wireless (Qi/PMA) 4.5W reverse wireless

What are the camera specifications of Samsung Galaxy S21?

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

Does Samsung Galaxy S21 support wireless charging?

Yes, Samsung Galaxy S21 supports wireless charging. 25W wired, PD3.0 15W wireless (Qi/PMA) 4.5W reverse wireless

What type of security features does Samsung Galaxy S21 have?

Samsung Galaxy S21 features a fingerprint sensor for secure authentication.

Detailed Specifications

Display

Type

Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)

Size

6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio)

Resolution

1080 x 2400 pixels, 20:9 ratio (~421 ppi density)

Protection

Corning Gorilla Glass Victus

Platform

Android 11, up to 4 major Android upgrades, One UI 6.1

Chipset

Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China

CPU

Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - InternationalOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China

GPU

Mali-G78 MP14 - InternationalAdreno 660 - USA/China

Memory

Card slot

Internal

128GB 8GB RAM, 256GB 8GB RAM

Battery

Type

Li-Ion 4000 mAh

Charging

25W wired, PD3.0 15W wireless (Qi/PMA) 4.5W reverse wireless

Network

Technology

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

2G bands

GSM 850 / 900 / 1800 / 1900

3G bands

HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100

4G bands

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 bands

2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G991U1

Speed

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

Body

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)

Build

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

SIM

Nano-SIM + eSIMNano-SIM + Nano-SIM + eSIM (max 2 at a time)

Features

Sensors

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

Sound

Loudspeaker

Yes, with stereo speakers

3.5mm jack

Tests

Performance

AnTuTu: 584055 (v8) GeekBench: 3238 (v5.1) GFXBench: 60fps (ES 3.1 onscreen)

Display

856 nits max brightness (measured)

Camera

Photo / Video

Loudspeaker

-26.4 LUFS (Good)

Battery (old)

Endurance rating 93h

Launch

Announced

2021, January 14

Status

Available. Released 2021, January 29

Misc

Colors

Phantom Gray, Phantom White, Phantom Violet, Phantom Pink

Models

SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q, SCG09

SAR

0.74 W/kg (head) 1.08 W/kg (body)

SAR EU

0.46 W/kg (head) 1.51 W/kg (body)

Price

$ 193.89 / C$ 325.00 / £ 188.08 / € 273.90

Main Camera

Triple

Features

LED flash, auto-HDR, panorama

Video

8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS

Selfie camera

Single

10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF

Features

HDR

Video

4K@30/60fps, 1080p@30fps

Comms

WLAN

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

Bluetooth

5.0, A2DP, LE

Positioning

GPS, GLONASS, BDS, GALILEO

NFC

Yes

Radio

FM radio (Snapdragon model only; market/operator dependent)

USB

USB Type-C 3.2, OTG

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