Compare Xiaomi Redmi A1

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Photos relative in size Front Side Back	Xiaomi Redmi A1‎	Samsung Galaxy A21s‎ $ 199.99	Samsung Galaxy S20+ 5G‎ $ 229.99

Dimensions	164.9 x 76.75 x 9.09 mm	163.7 x 75.3 x 8.9 mm	161.9 x 73.7 x 7.8 mm
Weight	192 grams	192 grams	188 grams
Stand-by	4.4 week	depends on usage	depends on usage
Talk time	30 hour	depends on usage	depends on usage
Design type
Monoblock
Controls
Facial unlock
Touchscreen	Multi-touch, Capacitive	Multi-touch, Capacitive	Multi-touch, Capacitive
Voice command
Voice dialing
Fingerprint recognition			Pressure sensitive in-screen
Operating system
Android	12		10
User interface
Android Go edition
One UI
Display
Auto-rotate
Color display	Adjustable display brightness, 16.777.216 colors (24 bits), Dot Drop Display, Notch	Adjustable display brightness, 16.777.216 colors (24 bits), Infinity-O Display, Hole-punch display	Adjustable display brightness, 16.777.216 colors (24 bits), Infinity-O Display, Always On feature, HDR10+, Hole-punch display
Size	6.52 inch	6.5 inch	6.7 inch
Resolution	1600 x 720 pixels	1600 x 720 pixels	3200 x 1440 pixels
Refresh rate			120 Hz
Aspect ratio	20:9	20:9	20:9
Pixels Per Inch (PPI)	269	270	524
Screen-to-body ratio	81.1%	82.8%	90.8%
Hardware
Camera	Dual camera sensor, Auto focus, Digital zoom, Effects/camera settings, Flash, Geotagging, Face recognition, Quality settings, Macro mode, Burst (Continuous) Shooting, Night mode, Portrait mode, Video recorder, self-timer	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	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	8 MP + QVGA camera	2 MP + 2 MP + 48 MP + 8 MP	12 MP + 12 MP + 64 MP
Angle of view (AOV)			120° + 76° + 79°
DxOMark score			118
F-number	f/2.0	f/2.0 + f/2.2 + f/2.4 + f/2.4	f/1.8 + f/2.0 + f/2.2
Max. resolution	(video) 1920 x 1080 pixels	(camera) 8000 x 6000 pixels + (video) 3840 x 1644 pixels	(camera) 4032 x 3024 pixels + (video) 3840 x 2160 pixels
Haptic feedback
Integrated antenna
Processor	MediaTek helio A22, Quad Core	Octa core	Octa core
Clock Frequency	2.0 GHz	2.0 GHz
Secondary camera			Autofocus
Type	5 MP	13 MP	10 MP
Angle of view (AOV)			80°
F-number	f/2.2	f/2.2	f/2.2
Max. resolution	(camera) 2592 x 1944 pixels + (video) 1920 x 1080 pixels	(camera) 4208 x 3120 pixels	(video) 3840 x 2160 pixels
User exchangeable covers
Materials
Gorilla Glass
Aluminium
Dust and waterproof			IP68
Glass
Telephony
Dual SIM			Hybrid slot
Flight mode
Integrated handsfree speaker
nano-SIM (4FF)
Vibrating alert
Videoconferencing
Operating frequency
Quad band
Data network
4G (LTE)	Cat 4 (150 Mbps), Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41		Cat 20 (2 Gbps)
EDGE
GPRS
HSDPA			Cat20 42 Mbps
HSUPA			Cat6 5.76 Mbps
UMTS
5G
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, Xvid	H.263, H.264, MPEG-4	DivX, H.263, H.264, MPEG-4, Sorenson Spark, VC-1, VP8
Video file support	FLV, M4V, MKV, MP4	3GP, 3G2, ASF, AVI, FLV, M4V, MKV, 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
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
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
Audio
Audio codec support	AAC, AAC+, AMR, FLAC, MP3 VBR, OGG Vorbis	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, OTA, RTTL/RTX
Audio file support	MP3, MP4, WAV	M4A, MP3, WAV, WMA	M4A, MP3, WAV, WMA
FM-radio	Stereo, RDS
Polyphonic ringtones	MP3 ringtones	MP3 ringtones	MP3 ringtones
Stereo speakers
Build-in memory
Internal memory
Size (RAM)	2 GB + 3 GB	3 GB + 4 GB	12 GB
Storage	32 GB	32 GB + 64 GB	128 GB
Memory card slot		MicroSDHC memory card
Connections
Audio jack plug	3.5 mm	3.5 mm
USB	v2.0, microUSB	v2.0, Type-C	v3.0, Type-C
Connectivity
Bluetooth	v5.0, Advanced Audio Distribution Profile (A2DP), Human Interface Device Profile (HID)	v5.0, Advanced Audio Distribution Profile (A2DP)	v5.0, 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 4 (802.11n), WiFi Direct support	Wi-Fi 5 (802.11ac), WiFi Direct support	Wi-Fi 6 (802.11ax), WiFi Direct support
ANT+
DLNA support
NFC
Power supply
Battery	Li-ion	Li-ion	Li-ion
Capacity	5000 mAh	5000 mAh	4500 mAh
Fast charging			Qualcomm Quick Charge, Samsung Adaptive Fast Charging
Max. power	10 Watt	15 Watt
Wireless charging			Omgekeerd opladen
Sensors
Ambient light sensor
Gesture recognition
Proximity sensor
Barometer
Gyroscope