Oppo A31 (2020) vs Redmi Note 7S comparison

Compare Oppo A31 (2020)
Compare Redmi Note 7S
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.50-inch6.30-inch
ProcessorMediaTek Helio P35 Qualcomm Snapdragon 660
Front Camera8-megapixel 13-megapixel
Rear Camera12-megapixel + 2-megapixel + 2-megapixel 48-megapixel + 5-megapixel
RAM4GB3GB
Storage64GB32GB
Battery Capacity4230mAh4000mAh
OSAndroid 9Android Pie
Resolution720x1600 pixels1080x2340 pixels
general
BrandOppoXiaomi
ModelA31 (2020)Redmi Note 7S
Release date14th February 202020th May 2019
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Body typePlasticGlass
Dimensions (mm)163.90 x 75.50 x 8.30159.21 x 75.21 x 8.10
Weight (g)180.00186.00
Battery capacity (mAh)42304000
Removable batteryNoNo
ColoursMystery Black, Fantasy WhiteOnyx Black, Ruby Red, Sapphire Blue
Fast charging-Quick Charge 4+
SAR value-1.60
display
Screen size (inches)6.506.30
TouchscreenYesYes
Resolution720x1600 pixels1080x2340 pixels
Aspect ratio20:919.5:9
Protection type-Gorilla Glass
Pixels per inch (PPI)-409
hardware
Processor2.3GHz octa-core2.2GHz octa-core (4x2.2GHz + 4x1.8GHz)
Processor makeMediaTek Helio P35 (MT6765)Qualcomm Snapdragon 660
RAM4GB3GB
Internal storage64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
Dedicated microSD slotYesNo
camera
Rear camera12-megapixel (f/1.8) + 2-megapixel (f/2.4, 1.75-micron) + 2-megapixel (f/2.4, 1.75-micron)48-megapixel (f/1.79, 1.6-micron) + 5-megapixel
Rear autofocusYesYes
Rear flashYesLED
Front camera8-megapixel (f/2.0)13-megapixel (f/2.0, 1.12-micron)
Pop-Up CameraNo-
Front autofocusNo-
Front flashNoNo
software
Operating systemAndroid 9Android Pie
SkinColorOS 6.1.2MIUI 10
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
NFCNo-
Micro-USBYes-
Headphones3.5mm3.5mm
FMYes-
Number of SIMs22
Infrared-Yes
USB OTG-Yes
USB Type-C-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
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes

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