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Specifications

Design

Colors

Galaxy S21 5G Basic Colors
Galaxy S21 5G in Phantom Violet, seen from the rear.
Phantom Violet
Galaxy S21 5G in Phantom Gray, seen from the rear.
Phantom Gray
Galaxy S21 5G in Phantom White, seen from the rear.
Phantom White
Galaxy S21 5G in Phantom Pink, seen from the rear.
Phantom Pink
Galaxy S21+ 5G Basic Colors
Galaxy S21 Plus 5G in Phantom Violet, seen from the rear.
Phantom Violet
Galaxy S21 Plus 5G in Phantom Black, seen from the rear.
Phantom Black
Galaxy S21 Plus 5G in Phantom Silver, seen from the rear.
Phantom Silver
Galaxy S21 Plus 5G in Phantom Pink, seen from the rear.
Phantom Pink
Exclusive Samsung.com Colorways
Galaxy S21 Plus 5G in Phantom Gold, seen from the rear.
Phantom Gold
Galaxy S21 Plus 5G in Phantom Red, seen from the rear.
Phantom Red
  • *Galaxy S21+ 5G in Phantom Pink only available in South Korea.
Galaxy S21 Ultra 5G Basic Colors
Galaxy S21 Ultra 5G in Phantom Black, seen from the rear.
Phantom Black
Galaxy S21 Ultra 5G in Phantom Silver, seen from the rear.
Phantom Silver
Exclusive Samsung.com Colorways
Galaxy S21 Ultra 5G in Phantom Titanium, seen from the rear.
Phantom Titanium
Galaxy S21 Ultra 5G in Phantom Navy, seen from the rear.
Phantom Navy
Galaxy S21 Ultra 5G in Phantom Brown, seen from the rear.
Phantom Brown
  • *Color availability may vary depending on country or carrier.

Dimensions & Weight

Illustration of Galaxy S21 5G seen from the front and from the side. On the front is a diagonal line showing the measurement of the Infinity-O Display.
Galaxy S21 5G
Dimensions: 151.7 x 71.2 x 7.9mm

Weight: 169g

*Galaxy S21 5G mmWave model weighs 171g.

Illustration of Galaxy S21 Plus 5G seen from the front and from the side. On the front is a diagonal line showing the measurement of the Infinity-O Display.
Galaxy S21+ 5G
Dimensions: 161.5 x 75.6 x 7.8mm

Weight: 200g

*Galaxy S21+ 5G mmWave model weighs 202g.

Illustration of Galaxy S21 Ultra 5G seen from the front and from the side. On the front is a diagonal line showing the measurement of the Infinity-O Display.
Galaxy S21 Ultra 5G
Dimensions: 165.1 x 75.6 x 8.9mm

Weight: 227g

*Galaxy S21 Ultra 5G mmWave model weighs 229g.

Display

Galaxy S21 5G
6.2" flat FHD+ Dynamic AMOLED 2X Infinity-O Display (2400x1080)
421 ppi
HDR10+ certified
120Hz refresh rate
Galaxy S21+ 5G
6.7" flat FHD+ Dynamic AMOLED 2X Infinity-O Display (2400x1080)
394 ppi
HDR10+ certified
120Hz refresh rate
Galaxy S21 Ultra 5G
6.8" edge Quad HD+ Dynamic AMOLED 2X Infinity-O Display (3200x1440)
515 ppi
HDR10+ certified
120Hz refresh rate
  • *Infinity-O Display: a near bezel-less, full-frontal screen.
  • *Measured diagonally, Galaxy S21 5G's screen size is 6.2" in the full rectangle and 6.1" with accounting for the rounded corners, Galaxy S21+ 5G's screen size is 6.7" in the full rectangle and 6.5" with accounting for the rounded corners and Galaxy S21 Ultra 5G's screen size is 6.8" in the full rectangle and 6.6" with accounting for the rounded corners; actual viewable area is less due to the rounded corners and camera hole.

S Pen

S Pen

  • Pressure levels: 4096
  • Pen tip diameter: 0.7mm
  • Air Command
  • Air view
  • Live message
  • Samsung Notes
  • Screen off memo
  • Smart select
  • Screen write
  • Translate
  • Bixby Vision
  • Glance
  • Magnify
  • PENUP
  • Coloring
  • AR Doodle
  • Write on calendar
  • *S Pen sold separately.
  • *S Pen only compatible with Galaxy S21 Ultra 5G.
  • *Bluetooth and wireless control functions not supported.

Camera

Front Camera

Galaxy S21 5G
Illustration of Galaxy S21 5G showing the location of the Selfie Camera on the Infinity-O Display.
1 10MP Selfie Camera
Dual Pixel AF
Pixel size: 1.22μm
FOV: 80˚
F.No (aperture): F2.2
Galaxy S21+ 5G
Illustration of Galaxy S21 Plus 5G showing the location of the Selfie Camera on the Infinity-O Display.
1 10MP Selfie Camera
Dual Pixel AF
Pixel size: 1.22μm
FOV: 80˚
F.No (aperture): F2.2
Galaxy S21 Ultra 5G
Illustration of Galaxy S21 Ultra 5G showing the location of the Selfie Camera on the Infinity-O Display.
1 40MP Selfie Camera
PDAF
Pixel size: 0.7μm (10MP 1.4μm)
FOV: 80˚
F.No (aperture): F2.2

Rear Camera

Galaxy S21 5G
  • Triple camera
Illustration of Galaxy S21 5G seen from the rear showing the locations of the Ultra Wide Camera, Wide-angle Camera and Telephoto Camera.
1 12MP Ultra Wide Camera
Pixel size: 1.4μm
FOV: 120˚
F.No (aperture): F2.2
2 12MP Wide-angle Camera
Super Speed Dual Pixel AF, OIS
Pixel size: 1.8μm
FOV: 79˚
F.No (aperture): F1.8
1/1.76" image sensor size
3 64MP Telephoto Camera
Pixel size: 0.8μm
FOV: 76˚
F.No (aperture): F2.0
1/1.72" image sensor size
Space Zoom
Hybrid Optic Zoom 3x
Super Resolution Zoom up to 30x

OIS (Optical Image Stabilization)

Tracking AF

Galaxy S21+ 5G
  • Triple camera
Illustration of Galaxy S21 Plus 5G seen from the rear showing the locations of the Ultra Wide Camera, Wide-angle Camera and Telephoto Camera.
1 12MP Ultra Wide Camera
Pixel size: 1.4μm
FOV: 120˚
F.No (aperture): F2.2
2 12MP Wide-angle Camera
Super Speed Dual Pixel AF, OIS
Pixel size: 1.8μm
FOV: 79˚
F.No (aperture): F1.8
1/1.76" image sensor size
3 64MP Telephoto Camera
Pixel size: 0.8μm
FOV: 76˚
F.No (aperture): F2.0
1/1.72" image sensor size
Space Zoom
Hybrid Optic Zoom 3x
Super Resolution Zoom up to 30x

OIS (Optical Image Stabilization)

Tracking AF

Galaxy S21 Ultra 5G
  • Quad camera
  • Illustration of Galaxy S21 Ultra 5G seen from the rear showing the locations of the Ultra Wide Camera, Wide-angle Camera and two Telephoto Cameras.
    1 12MP Ultra Wide Camera
    Super Speed Dual Pixel AF
    Pixel size: 1.4μm
    FOV: 120˚
    F.No (aperture): F2.2
    2 108MP Wide-angle Camera
    PDAF, OIS
    Pixel size: 0.8μm (12MP 2.4μm)
    FOV: 83˚
    F.No (aperture): F1.8
    1/1.33" image sensor size
    3 10MP Telephoto Camera
    Dual Pixel AF
    Pixel size: 1.22μm
    FOV: 35˚
    F.No (aperture): F2.4
    4 10MP Telephoto Camera
    Dual Pixel AF
    Pixel size: 1.22μm
    FOV: 10˚
    F.No (aperture): F4.9
    Space Zoom
    Dual Optical Zoom 3x, 10x
    Super Resolution Zoom up to 100x

    OIS (Optical Image Stabilization)

    Laser AF

  • *Hybrid Optic Zoom combines high-resolution image sensor and lens.
  • *Super Resolution Zoom includes digital zoom, which may cause some image deterioration.
  • *Laser AF sensor is used to enhance the AF performance in close range and low light environments.
Intelligent features
  • Scene Optimizer
  • Shot suggestions
  • Scan QR codes
Camera modes
  • Single Take
  • Photo
  • Video
  • Pro
  • Panorama
  • Food
  • Night
  • Portrait
  • Portrait Video
  • Pro Video
  • Super Slow-mo
  • Slow motion
  • Hyperlapse
  • Director's View
  • *The format and amount of Single Take results may differ based on original capture. Results may also differ between rear and front camera captures.
  • *Scene Optimizer supports 30 modes: Face, Baby, Person, Dog, Cat, Food, People, Beaches, Sky, Mountain, Sunset, Sunrise, City, Snow, Waterfall, Watersides, Scenery, Stage, Vehicles, Drinks, Flowers, Trees, Greenery, Animal, Shoes, Backlit, Indoor, Text, Clothes, Night view.
  • *Accuracy of Scene Optimizer and Flaw Detection may differ depending on shooting conditions including multiple subjects, being out of focus or moving subjects.
  • *Blink and blur detection works best when there are three or fewer people in the frame, 1.5 meters or closer to the camera.
  • *Lens smudge and backlighting detection notifies once every 24 hours if flaw is detected. Backlight detection works when HDR is turned off.

Useful features

Camera settings bar
  • Flash
  • Timer
  • Super Steady
  • Ratio
  • Video Size
  • Motion photo
  • Effects (Filter/My Filter/Face Retouch)
Camera settings menu
  • Format and advanced options (HEIF/Raw copies/UW shape correction)
  • Selfie color tone
  • Advanced recording options (HEVC/HDR10+/Zoom-in MIC)
  • Video Stabilization (VDIS)
  • Auto HDR
  • Tracking auto-focus
  • Grid lines
AR features
  • AR Doodle
  • Quick Measure

Video Recording

Resolution
  • 8K video recording at 24 fps (7680x4320)
  • 4K UHD video recording at 60 fps (3840x2160)
  • 1080p FHD video recording at 60 fps (1920x1080)
  • 720p HD video recording at 30 fps (1280x720)
Shooting speed
  • Super Steady 1080p video support at 60 fps
  • Super Slow-mo 720p video support at 960 fps
  • Slow motion 1080p video support at 240 fps
  • Hyperlapse 4K video support at 30 fps
Other
  • HDR10+ recording
  • VDIS (Video Digital Image Stabilization)
  • Digital zoom up to 12x
  • High CRI LED Flash
  • Tracking AF
  • Take 33MP still photos while playing 8K video
  • Playback zoom
  • Video location tags
  • *HDR10+ recording is currently in beta and only available on the rear camera. Quality may vary based on sharing platform and playback environment; HDR10+ color is only available on supported devices or platforms.
  • *Super Steady is only available when shooting in FHD resolution.
  • *Super Smooth 60fps Video supports FHD resolution in Auto mode only.
  • *Super Slow-mo only supports HD resolution. On Galaxy S21 5G and S21+ 5G, users can record approximately 0.5 seconds of video captured at 960 fps with approximately 16 seconds of playback. On Galaxy S21 Ultra 5G, users can record approximately 1 second of video captured at 480 fps and digitally enhance the video to 960 fps with approximately 32 seconds of playback. Playback time can be edited in Super Slow-mo player.

Performance

Battery Capacity

Galaxy S21 5G
  • 4000mAh (typical)
Galaxy S21+ 5G
  • 4800mAh (typical)
Galaxy S21 Ultra 5G
  • 5000mAh (typical)
  • *Typical value tested under third-party laboratory condition. Typical value is the estimated average value considering the deviation in battery capacity among the battery samples tested under IEC 61960 standard. Rated (minimum) capacity is 3880mAh for Galaxy S21 5G, 4660mAh for Galaxy S21+ 5G and 4855mAh for Galaxy S21 Ultra 5G. Actual battery life may vary depending on network environment, usage patterns and other factors.

Charging

  • Fast Wireless Charging 2.0
  • USB PD 3.0 (PPS) certified Fast Charging for wired charging (AFC and QC2.0 compatible)
    • *WPC certified Wireless charging
  • Wireless PowerShare
  • *25W Travel Adapter sold separately.
  • *Fast Wireless Charging 2.0 currently available with Wireless Charger Stand, Wireless Charger Duo Pad and Samsung devices that support wireless charging at 10W or higher. Sold separately. Actual charging speed may vary depending on the actual usage, charging conditions and other factors. Wireless charger requires power connection. Recommend using Samsung charging cable and/or travel adapter for optimal performance. Wireless charging under 5W (Normal-mode) is compatible with WPC.
  • *Wireless PowerShare is limited to Samsung or other brand smartphones with Qi wireless charging, such as Galaxy S21 5G, Galaxy S21+ 5G, Galaxy S21 Ultra 5G, Galaxy Z Fold2, Galaxy Note20, Galaxy Note20 Ultra, Galaxy S20, S20+, S20 Ultra, Z Flip, Note10, Note10+, S10e, S10, S10+, Fold, S9, S9+, S8, S8+, S8 Active, S7, S7 edge, S7 Active, S6, S6 edge, S6 Active, S6 edge+, Note9, Note8, Note FE, Note5 and wearables such as Galaxy Buds Pro, Galaxy Buds Live, Galaxy Watch3, Galaxy Watch Active2, Galaxy Watch Active, Gear Sport, Gear S3, Galaxy Watch and Galaxy Buds. If battery power is lower than 30% Wireless PowerShare may not function. May not work with certain accessories, covers, other brand devices or some Samsung wearables. May affect call reception or data services, depending on your network environment.

Network & Connectivity

Galaxy S21 5G and S21+ 5G
5G
  • 5G Non-Standalone (NSA), Standalone (SA), Sub6 / mmWave
LTE
  • Enhanced 4x4 MIMO, Up to 7CA, LTE Cat.20
  • Up to 2.0Gbps Download / Up to 200Mbps Upload
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac/ax 2.4G+5GHz, HE80, MIMO, 1024-QAM
  • Up to 1.2Gbps Download / Up to 1.2Gbps Upload
Bluetooth
  • Bluetooth® v 5.0, USB type-C, NFC, Location (GPS, Galileo, Glonass, BeiDou)
Ultra Wide Band
Galaxy S21 Ultra 5G
5G
  • 5G Non-Standalone (NSA), Standalone (SA), Sub6 / mmWave
LTE
  • Enhanced 4x4 MIMO, Up to 7CA, LTE Cat.20
  • Up to 2.0Gbps Download / Up to 200Mbps Upload
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac/ax 2.4G+5GHz+6GHz, HE160, MIMO, 1024-QAM
  • Up to 2.4Gbps Download / Up to 2.4Gbps Upload
Bluetooth
  • Bluetooth® v 5.2, USB type-C, NFC, Location (GPS, Galileo, Glonass, BeiDou)
Ultra Wide Band
  • *Availability and actual quality may vary depending on network conditions, country and carrier.
  • *5G network availability may vary depending on the country, network provider and user environment.
  • *The bandwidths supported by the device may vary depending on the region or service provider.
  • *Download and upload speeds reaching up to 2.4Gbps only available with Wi-Fi 6E. Wi-Fi 6E only supported on Galaxy S21 Ultra 5G.
  • *Galileo and BeiDou coverage may be limited. BeiDou may not be available for certain countries.
  • *Ultra Wide Band only supported on Galaxy S21+ 5G and S21 Ultra 5G.

AP

  • 5㎚ 64-bit Octa-Core Processor * 2.9㎓ (Maximum Clock Speed) + 2.8㎓ + 2.2㎓
  • 5㎚ 64-bit Octa-Core Processor * 2.8㎓ (Maximum Clock Speed) + 2.4㎓ + 1.8㎓
  • *May vary depending on country and carrier.

Memory

Galaxy S21 5G
  • 8GB RAM (LPDDR5) with 256GB internal storage
  • 8GB RAM (LPDDR5) with 128GB internal storage
Galaxy S21+ 5G
  • 8GB RAM (LPDDR5) with 256GB internal storage
  • 8GB RAM (LPDDR5) with 128GB internal storage
Galaxy S21 Ultra 5G
  • 16GB RAM (LPDDR5) with 512GB internal storage
  • 12GB RAM (LPDDR5) with 256GB internal storage
  • 12GB RAM (LPDDR5) with 128GB internal storage
  • *Actual storage available may vary depending on pre-installed software.

SIM Card

Single SIM model
  • one Nano SIM
Dual SIM model
  • one Nano SIM and one eSIM
  • two Nano SIMs and one eSIM
  • two Nano SIMs
  • *Availability of dual SIM may vary depending on country or carrier.
  • *Nano SIM card sold separately.
  • *Use of eSIM on Galaxy device may be enabled by software update or disabled in some countries where it is purchased. Availability of eSIM mobile plan may vary depending on carrier.

OS

  • Android 11

Audio

Stereo speakers by AKG
  • Surround sound with Dolby Atmos technology (Dolby Digital, Dolby Digital Plus included.)
Ultra high quality audio playback
  • UHQ 32-bit & DSD64/128 support
  • PCM: Up to 32 bits, DSD: DSD64/128

    *DSD64 and DSD128 playback can be limited depending on the file format.

Audio playback format
  • MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, APE, DSF, DFF
Bluetooth
  • Dual Audio: connect two Bluetooth devices to the Galaxy S21 5G, S21+ 5G or S21 Ultra 5G to play audio through the two devices simultaneously.

    *The two connected devices may exhibit a slight difference in sound output.

  • Scalable Codec: Enhanced Bluetooth connection under ambient radio frequency interference.

    *Available only for certain accessories made by Samsung.

Recording
  • Zoom-in MIC (Audio zoom) is an audio recording function that focuses on the direction of interest using a combination of 3 built-in MICs while video recording.
  • BT MIC recording and BT MIX recording are available in ‘Pro Video’ mode. It allows you to capture sound more clearly even from a distance with the remote MIC (Bluetooth MIC).
  • Pro Video mode provides useful manual options such as volume control, recording direction and MIC device selection.

Video

Video playback format
  • MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM
TV connection
  • Wireless: Smart View (screen mirroring 1080p at 30 fps)
  • Wired: supports DisplayPort over USB Type-C. Supports video out when connecting via HDMI Adapter. (DisplayPort 4K UHD at 60 fps)

Water Resistance

  • IP68

    *Galaxy S21 5G, S21+ 5G and S21 Ultra 5G are rated as IP68. Based on test conditions for submersion in up to 1.5 meters of freshwater for up to 30 minutes. Not advised for beach or pool use.

Sensors & Buttons

Sensors
  • Ultrasonic Fingerprint sensor
  • Accelerometer
  • Barometer
  • Gyro sensor
  • Geomagnetic sensor
  • Hall sensor
  • Proximity sensor
  • Ambient Light sensor
Buttons
  • Power and Bixby key
  • Volume key

Security

Security

  • Knox security platform: Multi-layered hardware and software security features built into the device
  • Real-time Kernel Protection, DEFEX (Defeat Exploit)
  • Samsung Knox Vault: A combination of secure processor, secure memory and secure protocol to protect user’s sensitive data
  • Virus, malware prevention (powered by McAfee).
  • *Virus and malware prevention solution providers may vary depending on country.

Authentication

  • Lock type: pattern, PIN, password
  • Biometric lock type: Fingerprint, Face recognition

Payment

  • Credit & debit cards: supports MST and/or NFC
  • Membership cards
  • Gift cards
  • Transit cards
  • *Available in select countries. Payment solutions and available features may vary depending on country, carrier and service providers.

Intelligence

Intelligent Performance

  • Intelligent Performance Enhancer
Bixby
Bixby Vision
  • Translate
  • Discover
  • Shopping
  • Wine
  • QR code
  • Scene describer
  • Object identifier
  • Text reader
  • Color detector
Bixby Routines
  • *Available functions and features may vary depending on country.
  • *Bixby service availability may vary depending on country. Bixby recognizes select languages and certain accents/dialects. Availability of Bixby features and content providers may vary depending on country or language. Data/Wi-Fi required to fully operate Bixby features.
  • *Bixby Vision service availability may vary depending on country or device. User interface may change and differ by device. Availability of Bixby Vision features and content providers may vary depending on country. All information, content or images herein are provided by third parties and such content may not be accurate nor reflect the most updated information.
  • *Translation speed may vary depending on internet connection and word count. This function is limited to selected languages. For the full list of languages please visit http://www.samsung.com/global/galaxy/apps/bixby/vision/.
  • *Wine search feature is provided in English (US) and Mandarin Chinese, other languages to be supported.
  • *Bixby Routines Driving routine only available in cars with Bluetooth capabilities.
  • *Bixby Routines requires access to Samsung Account input and customized service prior to using the usage pattern analysis based service.

Customization

Edge Panels

Edge Panels
  • Apps
  • Smart select
  • Tools
  • People
  • Tasks
  • Weather
  • Reminder
  • Clipboard
  • *Edge Panels only available on Galaxy S21 Ultra 5G. Availability may vary depending on country or carrier.

Video Wallpaper

  • Up to 15 seconds of video can be used.

AOD (Always On Display)

AOD Content

Choose from a variety of clock designs and information.

  • Clock: digital clock, analogue clock, world clock and edge clock (option to choose color)
  • Calendar: Month view calendar, Today's event
  • Image: select an image from Gallery and set it as image for the AOD screen
  • Bitmoji
  • Animated GIF
  • Song information
AOD Widgets
  • Experience different widgets on the AOD screen by double-tapping the clock area and flick up or down.
AOD Themes
  • Download AOD-exclusive themes from Theme Store.
  • Decorate your AOD screen with various themes.

*Available content and features may vary depending on country/carrier and may be subject to additional charge.

  • Themes are sets of wallpapers, icons and other design details available for download on Galaxy S21 5G, S21+ 5G and S21 Ultra 5G.
  • *Compatible apps and features may vary by theme.
  • *Available content and features may vary depending on country/carrier and may be subject to additional charge.

Accessibility

Accessibility Features

To continue making our technology accessible to everyone, Samsung has developed and applied a variety of technical solutions. With solutions for vision, hearing, dexterity and interaction, people with disabilities may also use some of our new and exciting features.

  • TalkBack
  • High contrast theme, font, keyboard, Internet
  • Color inversion/adjustment, add color filter
  • Magnifier window, widget
  • Sound Notifications
  • Hearing aid compatibility
  • Bluetooth® hearing aid support
  • Left/right sound balance
  • Mono audio
  • Mute all sounds
  • Live Transcribe/Caption on Android
  • Amplify ambient sound
  • Universal switch
  • Assistant menu
  • Interaction control
  • Touch settings (Tap duration, Ignore repeated touches, Touch and hold delay)
  • Mouse and Physical keyboard (Auto click after pointer stops, Sticky keys, Slow keys, Bounce keys)
  • Accessibility shortcuts
  • Flash notification

In the Box

Galaxy S21 5G, S21+ 5G and S21 Ultra 5G

  • Device
  • Data Cable
  • Ejection Pin
  • Quick Start Guide
  • *Actual components may not be available depending on the model you purchase or the country or region you live in. Package color may vary depending on device color.
  • *If using a screen protector, it is recommended to use a Samsung product for better fingerprint recognition.

Wearables

Compatible Galaxy Wearables

  • Galaxy Watch3, Galaxy Watch Active2, Galaxy Watch Active, Galaxy Watch, Gear Sport, Gear S3, Gear S2
  • Galaxy Fit, Galaxy Fit e, Gear Fit2, Gear Fit2 Pro
  • Galaxy Buds Pro, Galaxy Buds Live, Galaxy Buds+, Galaxy Buds, Gear IconX (2018)
  • *Wearable devices and accessories sold separately. Model and color availability may vary by country or carrier.

*All specifications and descriptions provided herein may be different from the actual specifications and descriptions of the product. Samsung reserves the right to make changes to this web page and the contents herein, including without limitation, functionality, features, specifications, GUI, images, videos, benefits, design, pricing, components, performance, availability, capabilities and any other product information, without notice. All images, videos, user flow and sequences herein are simulated/dramatized for demonstration/illustration purposes.