*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
1
1 10MP Selfie Camera
Dual Pixel AF
Pixel size: 1.22μm
FOV: 80˚
F.No (aperture): F2.2
Galaxy S21+ 5G
1
1 10MP Selfie Camera
Dual Pixel AF
Pixel size: 1.22μm
FOV: 80˚
F.No (aperture): F2.2
Galaxy S21 Ultra 5G
1
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
123
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
123
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
1234
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.
*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)
*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.
*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.
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
*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.
*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.
