Redmi A4 5G vs Samsung Galaxy M21 2021 Editio comparison

Compare Redmi A4 5G
Compare Samsung Galaxy M21 2021 Edition
key specs
Display6.88-inch6.40-inch
ProcessorQualcomm Snapdragon 4s Gen 2-
Front Camera5-megapixel Unspecified
Rear Camera50-megapixel + Unspecified48-megapixel
RAM4GB-
Storage64GB, 128GB-
Battery Capacity5160mAh6000mAh
OSAndroid 14Android 11
Resolution720x1640 pixels1080x2340 pixels
general
BrandRedmiSamsung
ModelA4 5GGalaxy M21 2021 Edition
Release dateNovember 20, 2024July 21, 2021
Launched in IndiaYesNo
Dimensions (mm)171.88 x 77.80 x 8.22-
Weight (g)212.35-
IP ratingIP52-
Battery capacity (mAh)51606000
Removable batteryNo-
Wireless chargingNo-
ColoursSparkling Purple, Starry BllackArctic Blue, Charcoal Black
Form factor-Touchscreen
display
Refresh Rate120 Hz-
Resolution StandardHD+-
Screen size (inches)6.886.40
TouchscreenYesYes
Resolution720x1640 pixels1080x2340 pixels
Aspect ratio-19.5:9
hardware
Processorocta-core-
Processor makeQualcomm Snapdragon 4s Gen 2-
RAM4GB-
Internal storage64GB, 128GB-
Expandable storageYes-
Expandable storage typemicroSD-
Expandable storage up to (GB)1-24-
Dedicated microSD slotYes-
camera
Rear camera50-megapixel (f/1.8) + Unspecified48-megapixel
No. of Rear Cameras23
Front camera5-megapixel (f/2.2)Unspecified
No. of Front Cameras11
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroid 14Android 11
SkinHyperOSOne UI Core 3.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYesYes
BluetoothYes, v 5.00Yes
USB Type-CYesYes
Number of SIMs22
Active 4G on both SIM cardsYes-
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sensors
Fingerprint sensor-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes

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