Samsung Galaxy S21 5G Specifications

Softstribe
December 16, 2025

Looking for detailed Samsung Galaxy S21 5G specifications? This comprehensive guide covers everything you need to know about the Samsung Galaxy S21 5G, including display size, processor performance, camera capabilities, battery life, and more.

The Samsung Galaxy S21 5G is a Samsung smartphone that offers 5G connectivity, advanced camera features, and reliable performance for everyday use. Compare specs below to see how it stacks up against other devices.

Complete specifications for the Samsung Galaxy S21 5G.

Samsung Galaxy S21 5G Detailed Specifications

Display

SpecificationDetails
USB Type-C – 24 pin USB-C
OLED display
AOD(Always On Display), Video Wallpaper
Playback zoom, Motion photo, blink detection, QR-code scanner, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Scene Optimiser, Lens smudge, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Super steady, Super Speed Dual Pixel AF, Quick Measure, Zoom-In Mic, HEIF image capture, Space Zoom, Take 33MP still photos while playing 8K video, Hybrid Optic Zoom 3x, Super Resolution Zoom up to 30x, Digital zoom up to 12x for video, AR Doodle, HEVC (High Efficiency Video coding) support, Microphone Control (Pro Video only)
Fingerprint reader (under display), face recognition
VDE, IP68, HAC (Hearing Aid Compatible), SGS Eye Care Display Certification

Platform

SpecificationDetails
Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound
MIMO technology, Screen Write, notification flashlight, Smart Select, Fast Charging, Samsung KNOX, Smart View, Live message, Screen off memo, Samsung DeX support, Bixby Vision, TalkBack, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Bixby key, Bluetooth Scalable Codec, Samsung Knox Vault, Private Share function, Enhanced Game Booster, Air Command

Memory

SpecificationDetails
LPDDR5 SDRAM – 8 GBBetter than 96%
Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Portrait, Night, Motion Photo, Mountain, Single Take, Pro Video, Portrait video, Director's View

Camera

SpecificationDetails
1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 7680 x 4320 (8K) at 24 fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 60 fps
Talk (LTE): up to 1800 min Active online usage (LTE): up to 14 hrs Active online usage (Wi-Fi): up to 15 hrs Playback (wireless video): up to 19 hrs Playback (wireless audio): up to 72 hrs

Battery

SpecificationDetails
Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Power Delivery 3.0Better than 86%
WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare

Body

SpecificationDetails
1.58 W/kg (simultaneous), 1.11 W/kg (wireless router), 1.08 W/kg (body), 0.74 W/kg (head)
Nano SIM, Electronic SIM card (e-SIM)
Dual-SIM
SIM card removal tool, USB-C to USB-C cable

Connectivity

SpecificationDetails
GPS, GLONASS, Galileo
Bluetooth 5.0

Additional Specifications

SpecificationDetails
1
3
Smartphone
SM-G991U1
Touch
151.7 mmBetter than 72%
71.2 mmBetter than 61%
7.9 mmBetter than 87%
171 gWorse than 72%
Phantom grey | Phantom white
Dustproof, splashproof, water-resistant
YesBetter than 66%
IP68
Infinity-O Dynamic AMOLED 2X
6.2"Better than 81%
2400 x 1080 pixelsBetter than 91%
Full HD+
421 ppiBetter than 66%
16.7 million coloursBetter than 98%
HDR10+
Eye Comfort Shield
120 HzBetter than 94%
Corning Gorilla Glass Victus (scratch resistant glass)
Qualcomm Snapdragon 888
2.84 GHzBetter than 97%
8-coreBetter than 99%
128 GBBetter than 90%
101.2 GB
12 MegapixelBetter than 81%
1/1.76"
Wide-angle lens
F/1.8Better than 80%
79 degree(s)
1.8 μmBetter than 93%
Optical Image Stabiliser (OIS)Better than 98%
Automatic
3xBetter than 83%
30xBetter than 99%
Face retouch, Grid Line
Auto HDR mode
High CRI LED flash
Ultra wide-angle lens
F/2.2Better than 51%
120 degree(s)Better than 80%
1.4 μmBetter than 82%
64 MegapixelBetter than 99%
1/1.72"
Telephoto lens
F/2.0Better than 97%
76 degree(s)
0.8 μm
10 MegapixelBetter than 71%
80 degree(s)Better than 58%
1.22 μmBetter than 94%
Dual Pixel AF
4000 mAhBetter than 85%
1800 minutesBetter than 92%
CDMA2000 1X / GSM / WCDMA (UMTS)
5GBetter than 99%
Android 11
Bixby
Samsung Pay
FDD-LTE, TDD-LTE, 5G NR FR1, 5G NR FR2
850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X
Band 1, Band 2, Band 4, Band 5, Band 8
2100, 1900, 1700, 850, 900
Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 14, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 30, Band 38, Band 39, Band 40, Band 41, Band 46, Band 48, Band 66, Band 71
FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 – 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700 PS, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, TDD 3600, FDD 1700 – 2110 AWS-3, FDD 600
N41, n71, n260, n261
TDD TD 2500, FDD 600, TDD 39GHz, TDD 28GHz
IEEE 802.11a/b/g/n/ac/ax
WAV, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128
MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4
Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Accelerometer, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor
1.5 m

Frequently Asked Questions

What are the key specifications of the Samsung Galaxy S21 5G?

The Samsung Galaxy S21 5G features a high-quality display. It supports 5G connectivity for fast mobile data speeds.

Is the Samsung Galaxy S21 5G worth buying in 2025?

The Samsung Galaxy S21 5G from Samsung offers quality display. Whether it's worth buying depends on your needs, budget, and how these specifications compare to alternatives in the same price range.

What is the display size of the Samsung Galaxy S21 5G?

The Samsung Galaxy S21 5G features a modern smartphone display designed for optimal viewing experience.

What camera does the Samsung Galaxy S21 5G have?

The Samsung Galaxy S21 5G comes with a multi-camera system designed for versatile photography.

What is the battery capacity of the Samsung Galaxy S21 5G?

The Samsung Galaxy S21 5G features a battery designed for all-day usage under normal conditions.

Does the Samsung Galaxy S21 5G support 5G?

Yes, the Samsung Galaxy S21 5G supports 5G connectivity, enabling faster download and upload speeds, lower latency, and better performance on 5G networks where available.

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