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Samsung Galaxy A31 vs Xiaomi Redmi K20 comparison

 Compare Samsung Galaxy A31
Samsung Galaxy A31
Compare Xiaomi Redmi K20
Xiaomi Redmi K20
ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.40-inch6.39-inch
ProcessorMediaTek Helio P65Qualcomm Snapdragon 730
Front Camera20-megapixel 20-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel + 5-megapixel 48-megapixel + 8-megapixel + 13-megapixel
RAM6GB6GB
Storage128GB64GB
Battery Capacity5000mAh4000mAh
OSAndroid 10Android Pie
Resolution1080x2400 pixels1080x2340 pixels
general
BrandSamsungXiaomi
ModelGalaxy A31Redmi K20
Release dateMarch 24, 2020May 28, 2019
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)159.30 x 73.10 x 8.60156.70 x 74.30 x 8.80
Weight (g)185.00191.00
Battery capacity (mAh)50004000
Removable batteryNo-
Fast chargingProprietaryProprietary
Wireless chargingNo-
ColoursPrism Crush Black, Prism Crush Blue, Prism Crush WhiteCarbon Black, Glacier Blue, Flame Red
Body type-Glass
display
Screen size (inches)6.406.39
TouchscreenYesYes
Resolution1080x2400 pixels1080x2340 pixels
Aspect ratio20:919.5:9
Protection type-Gorilla Glass
Pixels per inch (PPI)-403
hardware
Processor2GHz octa-core (2x2GHz + 6x1.7GHz)1.8GHz octa-core (6x1.8GHz + 2x2.2GHz)
Processor makeMediaTek Helio P65Qualcomm Snapdragon 730
RAM6GB6GB
Internal storage128GB64GB
Expandable storageYesNo
Expandable storage typemicroSD-
Expandable storage up to (GB)512-
Dedicated microSD slot-No
camera
Rear camera48-megapixel (f/2.0) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4) + 5-megapixel (f/2.4)48-megapixel (f/1.75, 1.6-micron) + 8-megapixel (f/2.4, 1.12-micron) + 13-megapixel (f/2.4, 1.12-micron)
Rear autofocusYesYes
Rear flashYesYes
Front camera20-megapixel (f/2.2)20-megapixel (f/2.2, 0.8-micron)
Pop-Up Camera-Yes
Front flash-No
software
Operating systemAndroid 10Android Pie
SkinOne UI 2.1MIUI 10
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n802.11 a/b/g/n/ac
GPSYesYes
BluetoothYesYes, v 5.00
NFCYesNo
USB Type-CYesYes
Number of SIMs22
Infrared-Yes
Headphones-3.5mm
Wi-Fi Direct-Yes
Active 4G on both SIM cards-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Face unlockYesYes
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Fingerprint sensor-Yes
Gyroscope-Yes

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