Compare Samsung Galaxy A21s

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Photos relative in size Front Side Back	Samsung Galaxy A21s‎ $ 219.99	Samsung Galaxy S7‎ $ 269.99	Google Pixel 6‎ $ 399.99

Dimensions	163.7 x 75.3 x 8.9 mm	142.4 x 69.6 x 7.9 mm	158.6 x 74.8 x 8.9 mm
Weight	192 grams	152 grams	207 grams
Stand-by	depends on usage	depends on usage	depends on usage
Talk time	depends on usage	depends on usage	depends on usage
Design type
Monoblock
Controls
Facial unlock
Fingerprint recognition			Pressure sensitive in-screen
Touchscreen	Multi-touch, Capacitive	Multi-touch, Capacitive	Multi-touch, Capacitive
Voice command
Voice dialing
Directional key
Operating system
Android		7.0 (Nougat)	12
User interface
One UI
Display
Auto-rotate
Color display	Adjustable display brightness, 16.777.216 colors (24 bits), Infinity-O Display, Hole-punch display	Adjustable display brightness, 16.777.216 colors (24 bits), Quad HD Super AMOLED, Always On feature	Adjustable display brightness, 16.777.216 colors (24 bits), OLED, Always On feature, HDR10, Hole-punch display
Size	6.5 inch	5.1 inch	6.4 inch
Resolution	1600 x 720 pixels	2560 x 1440 pixels	2400 x 1080 pixels
Refresh rate			90 Hz
Aspect ratio	20:9	16:9	20:9
Pixels Per Inch (PPI)	270	576	411
Screen-to-body ratio	82.8%	72.3%	83.4%
Hardware
Camera	Viervoudige camera-sensor, Auto focus, Image stabilization, Blink Shot, Digital zoom, Effects/camera settings, Flash, Geotagging, Face recognition, Quality settings, Macro mode, Mosaic photo, Burst (Continuous) Shooting, Night mode, Panoramic photo, Portrait mode, Smile Shot, Video recorder, self-timer	Auto focus, Image stabilization, Blink Shot, Digital zoom, Effects/camera settings, Flash, Geotagging, Face recognition, Quality settings, Macro mode, Mosaic photo, Burst (Continuous) Shooting, Night mode, Panoramic photo, Portrait mode, Smile Shot, Video recorder, self-timer	Dual camera sensor, Auto focus, Image stabilization, Digital zoom, Effects/camera settings, Flash, Geotagging, Quality settings, Macro mode, Mosaic photo, Burst (Continuous) Shooting, Night mode, Portrait mode, Video recorder, self-timer
Type	2 MP + 2 MP + 48 MP + 8 MP	12.2 MP	12 MP + 50 MP
Angle of view (AOV)			114° + 82°
DxOMark score			132
F-number	f/2.0 + f/2.2 + f/2.4 + f/2.4	f/1.7	f/1.85 + f/2.2
Max. resolution	(camera) 8000 x 6000 pixels + (video) 3840 x 1644 pixels	(camera) 4032 x 3024 pixels + (video) 3840 x 2160 pixels	(video) 3840 x 2160 pixels
Haptic feedback
Integrated antenna
Processor	Octa core	Samsung Exynos 8890, Octa core	Google Tensor, Octa core
Clock Frequency	2.0 GHz
Secondary camera
Type	13 MP	5 MP	8 MP
Angle of view (AOV)			84°
DxOMark score			97
F-number	f/2.2	f/1.7	f/2.0
Max. resolution	(camera) 4208 x 3120 pixels	(camera) 2592 x 1944 pixels + (video) 1920 x 1080 pixels	(video) 1920 x 1080 pixels
Materials
Gorilla Glass			7 (Victus)
Dust and waterproof		IP68	IP68
Aluminium
Glass
Telephony
Dual SIM
Flight mode
Integrated handsfree speaker
nano-SIM (4FF)
Vibrating alert
Videoconferencing
eSIM
Operating frequency
Quad band
Data network
4G (LTE)		Cat 9 (452 Mbps)	Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41
EDGE
GPRS
HSDPA		Cat20 42 Mbps
HSUPA		Cat6 5.76 Mbps
UMTS
5G			n1, n2, n3, , , n8, n12, n14, n20, n25, n28, n30, n38, , n41, n66, n71, n77, n78, n257, n258, n260, n261
Personalisation
Multiple homescreens
Widgets
Personal Information Management (PIM)
Agenda
Alarm clock
Calculator
Contact list
Date and time notation
Document viewer	Excel files, PowerPoint files, PDF files, Word files	Excel files, PowerPoint files, PDF files, Word files	Excel files, PowerPoint files, PDF files, Word files
Phonebook with groups
Photo phonebook
Reminder list
Stopwatch & countdown timer
To-do list
Voice memo
Available applications
Image editor
Java application support
Movie editor
Photo album
Video codec support	H.263, H.264, MPEG-4	DivX, H.263, H.264, MPEG-4, Sorenson Spark, VC-1, VP8	H.263, H.264, MPEG-4
Video file support	3GP, 3G2, ASF, AVI, FLV, M4V, MKV, MP4, WebM, WMV	3GP, ASF, AVI, FLV, MKV, MP4, WebM, WMV
Messaging
E-mail	POP3, SMTP, IMAP4	POP3, SMTP, IMAP4	POP3, SMTP, IMAP4
Instant messaging	Google Talk	Google Talk	Google Talk
MMS	Video MMS	Video MMS	Video MMS
Predictive Text Input	T9	T9	T9
SMS	Group messaging, Receive and send concatenated messages	Group messaging, Receive and send concatenated messages	Group messaging, Receive and send concatenated messages
Internet
Internet browser			Google Chrome
RSS reader
YouTube support
Navigation
A-GPS
Beidou
Build-in navigation system	Google Maps, Google Maps Navigation	Google Maps, Google Maps Navigation	Google Maps, Google Maps Navigation
Digital Compass
Galileo
GLONASS
GPS receiver
Quasi-Zenith (QZSS)
Audio
Audio codec support	AAC, AAC+, eAAC+, AMR, FLAC, MIDI, Mobile XMF, MP3 VBR, OGG Vorbis, OTA, RTTL/RTX	AAC, AAC+, AC3, eAAC+, AMR, FLAC, MIDI, Mobile XMF, MP3 VBR, OGG Vorbis, RTTL/RTX	AAC, AAC+, AC3, eAAC+, aptX, LDAC
Audio file support	M4A, MP3, WAV, WMA	M4A, MP3, WAV, WMA	MP3, WAV
Polyphonic ringtones	MP3 ringtones	MP3 ringtones	MP3 ringtones
Stereo speakers
Build-in memory
Internal memory
Size (RAM)	3 GB + 4 GB	4 GB	8 GB
Storage	32 GB + 64 GB	32 GB + 64 GB	128 GB + 256 GB
Memory card slot	MicroSDHC memory card
Connections
Audio jack plug	3.5 mm	3.5 mm
USB	v2.0, Type-C	v3.0, microUSB	v3.1, Type-C
Connectivity
Bluetooth	v5.0, Advanced Audio Distribution Profile (A2DP)	v4.2, Advanced Audio Distribution Profile (A2DP)	v5.2, Advanced Audio Distribution Profile (A2DP)
Synchronisation	ActiveSync, SyncML	ActiveSync, SyncML	ActiveSync, SyncML
Tethering
WAP	2.0	2.0	2.0
Wireless Lan (WLAN/Wi-Fi)	Wi-Fi 5 (802.11ac), WiFi Direct support	Wi-Fi 5 (802.11ac), WiFi Direct support	Wi-Fi 6E
DLNA support
NFC
PictBridge
Power supply
Battery	Li-ion	Li-ion	Li-ion
Capacity	5000 mAh	3000 mAh	4614 mAh
Fast charging		Qualcomm Quick Charge, Samsung Adaptive Fast Charging	Qualcomm Quick Charge, USB Power Delivery
Max. power	15 Watt		21 Watt
Wireless charging			Omgekeerd opladen
Sensors
Ambient light sensor
Gesture recognition
Proximity sensor
Barometer
Gyroscope
Heart rate monitor
Hygrometer