Compare Samsung Galaxy S21

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Photos relative in size Front Side Back	Samsung Galaxy S21‎ $ 299.99	Xiaomi Redmi Note 12 Pro+ 5G‎ $ 219.00	OnePlus 10 Pro‎ $ 356.68	Samsung Galaxy S20 5G‎ $ 249.00

Dimensions	151.7 x 71.2 x 7.9 mm	162.9 x 76.03 x 8.9 mm	163 x 73.9 x 8.55 mm	151.7 x 69.1 x 7.9 mm
Weight	171 grams	208.4 grams	200.5 grams	163 grams
Stand-by	depends on usage	depends on usage	depends on usage	depends on usage
Talk time	depends on usage	depends on usage	depends on usage	depends on usage
Design type
Monoblock
Controls
Facial unlock
Fingerprint recognition	Pressure sensitive in-screen		Pressure sensitive in-screen	Pressure sensitive in-screen
Touchscreen	Multi-touch, Capacitive	Multi-touch, Capacitive	Multi-touch, Capacitive	Multi-touch, Capacitive
Voice command
Voice dialing
Operating system
Android	11	12	11	10
User interface
One UI	3.1
MIUI		13
ColorOS			12.1
Display
Auto-rotate
Color display	Adjustable display brightness, 16.777.216 colors (24 bits), Infinity-O Display, Always On feature, HDR10+, Hole-punch display	Adjustable display brightness, 16.777.216 colors (24 bits), OLED, DCI-P3, Dolby Vision, HDR10, HDR10+, Hole-punch display	Adjustable display brightness, 16.777.216 colors (24 bits), Fluid AMOLED, DCI-P3, HDR10+, Hole-punch display	Adjustable display brightness, 16.777.216 colors (24 bits), Infinity-O Display, Always On feature, HDR10+, Hole-punch display
Size	6.2 inch	6.67 inch	6.7 inch	6.2 inch
Resolution	2400 x 1080 pixels	2400 x 1080 pixels	3216 x 1440 pixels	3200 x 1440 pixels
Refresh rate	120 Hz	120 Hz	120 Hz	120 Hz
Aspect ratio	20:9	20:9	20.1:9	20:9
Peak brightness	1300 nits	900 nits	1300 nits
Pixels Per Inch (PPI)	424	395	526	566
Screen-to-body ratio	85.9%	86.7%	89.7%	88.5%
Hardware
Camera	Tri 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	Tri camera sensor, Auto focus, Image stabilization, Blink Shot, Digital zoom, Effects/camera settings, Flash, Geotagging, Face recognition, Landscape mode, Macro mode, Burst (Continuous) Shooting, Panoramic photo, Portrait mode, Smile Shot, Video recorder	Tri camera sensor, Auto focus, Image stabilization, Digital zoom, Effects/camera settings, Flash, Geotagging, Face recognition, Quality settings, Macro mode, Mosaic photo, Burst (Continuous) Shooting, Night mode, Panoramic photo, Portrait mode, Video recorder, self-timer	Tri 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
Type	12 MP + 12 MP + 64 MP	2 MP + 200 MP + 8 MP	48 MP + 50 MP + 8 MP	12 MP + 12 MP + 64 MP
Angle of view (AOV)	120° + 76° + 79°	120°	150°	120° + 76° + 79°
DxOMark score	116	113
F-number	f/1.8 + f/2.0 + f/2.2	f/1.65 + f/2.2 + f/2.4	f/1.8 + f/2.2 + f/2.4	f/1.8 + f/2.0 + f/2.2
Max. resolution	(camera) 4032 x 3024 pixels + (video) 3840 x 2160 pixels	(video) 7680 x 4320 pixels	(video) 7680 x 4320 pixels	(camera) 4032 x 3024 pixels + (video) 3840 x 2160 pixels
Haptic feedback
Integrated antenna
Processor	Samsung Exynos 2100, Octa core	MediaTek Dimensity 1080, Octa core	Qualcomm Snapdragon 8 Gen 1, Octa core	Octa core
Clock Frequency	2.4 GHz + 2.8 GHz + 2.9 GHz	2.6 GHz	3.0 GHz
Secondary camera	Autofocus			Autofocus
Type	10 MP	16 MP	32 MP	10 MP
Angle of view (AOV)	80°			80°
DxOMark score	98
F-number	f/2.2	f/2.45	f/2.4	f/2.2
Max. resolution	(video) 3840 x 2160 pixels	(video) 1920 x 1080 pixels	(video) 1920 x 1080 pixels	(video) 3840 x 2160 pixels
Materials
Aluminium
Dust and waterproof	IP68	IP53	IP68	IP68
Gorilla Glass	7 (Victus)	5
Plastic
Glass
Telephony
Dual SIM		Dual SIM Dual Standby (DSDS)		Hybrid slot
eSIM
Flight mode
Integrated handsfree speaker
nano-SIM (4FF)
Vibrating alert
Videoconferencing
Operating frequency
Quad band
Data network
4G (LTE)	Cat 20 (2 Gbps)	Band 1, Band 3, Band 5, Band 8, Band 12, Band 19, Band 38, Band 39, Band 40, Band 41	Cat 18 (1200 Mbps), Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28	Cat 20 (2 Gbps)
5G		n1, n3, , n8, n28, n38, , n41, n77, n78	n1, n3, , n8, n28, , n41, n78, n79
EDGE
GPRS
HSDPA	Cat20 42 Mbps		Cat24 42 Mbps	Cat20 42 Mbps
HSUPA	Cat6 5.76 Mbps		Cat6 5.76 Mbps	Cat6 5.76 Mbps
UMTS
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	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	DivX, H.263, H.264, MPEG-4, Sorenson Spark, VC-1, VP8	H.264, MPEG-4, VC-1, VP8, VP9, Xvid	H.263, H.264, H.265, MPEG-4	DivX, H.263, H.264, MPEG-4, Sorenson Spark, VC-1, VP8
Video file support	3GP, 3G2, ASF, AVI, FLV, M4V, MKV, MP4, WebM, WMV	3GP, 3G2, ASF, AVI, M4V, MKV, MP4, WebM, WMV	3GP, AVI, FLV, MKV, MOV, MP4, WebM, WMV	3GP, 3G2, ASF, AVI, FLV, M4V, MKV, MP4, WebM, WMV
Messaging
E-mail	POP3, SMTP, IMAP4	POP3, SMTP, IMAP4	POP3, SMTP, IMAP4	POP3, SMTP, IMAP4
Instant messaging	Google Talk		Google Talk	Google Talk
MMS	Video MMS	Changeable MMS distribution list, 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	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	Google Maps, Google Maps Navigation
Digital Compass
Galileo
GLONASS
GPS receiver
NavIC
Quasi-Zenith (QZSS)
Audio
Audio codec support	AAC, AAC+, AC3, eAAC+, AMR, FLAC, MIDI, Mobile XMF, MP3 VBR, OGG Vorbis, OTA, RTTL/RTX	AAC, AAC+, eAAC+, AMR, aptX, FLAC, LDAC, MP3 VBR, OGG Vorbis, SBC	AAC, AAC+, AMR, aptX, FLAC, LDAC, MIDI, MP3 VBR, OGG Vorbis	AAC, AAC+, AC3, eAAC+, AMR, FLAC, MIDI, Mobile XMF, MP3 VBR, OGG Vorbis, OTA, RTTL/RTX
Audio file support	M4A, MP3, WAV, WMA	APE, MP3, MP4, WAV, WMA	APE, M4A, MP3, WAV, WMA	M4A, MP3, WAV, WMA
Polyphonic ringtones	MP3 ringtones	MP3 ringtones	MP3 ringtones	MP3 ringtones
Stereo speakers
Build-in memory
Internal memory
Size (RAM)	8 GB	12 GB + 8 GB	12 GB + 8 GB	12 GB
Storage	128 GB + 256 GB	256 GB	128 GB + 256 GB	128 GB
Memory card slot
Connections
USB	v3.2, Type-C	Type-C	v3.1, Type-C	v3.0, Type-C
Audio jack plug		3.5 mm
Connectivity
ANT+
Bluetooth	v5.0, Advanced Audio Distribution Profile (A2DP)	v5.2, Advanced Audio Distribution Profile (A2DP)	v5.2, Advanced Audio Distribution Profile (A2DP)	v5.0, Advanced Audio Distribution Profile (A2DP)
DLNA support
NFC
Synchronisation	ActiveSync, SyncML	ActiveSync, Apple iSync	ActiveSync, SyncML	ActiveSync, SyncML
Tethering
Ultra-wideband (UWB)
WAP	2.0	2.0	2.0	2.0
Wireless Lan (WLAN/Wi-Fi)	Wi-Fi 6 (802.11ax), WiFi Direct support	Wi-Fi 6 (802.11ax), WiFi Direct support	Wi-Fi 6 (802.11ax), WiFi Direct support	Wi-Fi 6 (802.11ax), WiFi Direct support
Infrared
Power supply
Battery	Li-ion	Li-ion	Li-poly	Li-ion
Capacity	4000 mAh	4980 mAh	5000 mAh	4000 mAh
Fast charging	Samsung Adaptive Fast Charging, USB Power Delivery	Xiaomi HyperCharge	OnePlus Warp Charge	Qualcomm Quick Charge, Samsung Adaptive Fast Charging
Max. power	25 Watt	120 Watt	80 Watt
Wireless charging	Omgekeerd opladen	Omgekeerd opladen	Omgekeerd opladen	Omgekeerd opladen
Max. power	15 Watt	50 Watt	50 Watt
Sensors
Ambient light sensor
Barometer
Gesture recognition
Gyroscope
Proximity sensor