Oppo A57e vs Oppo A31 comparison

Compare Oppo A57e
Compare Oppo A31
key specs
Display6.56-inch4.50-inch
ProcessorMediaTek Helio G35Qualcomm Snapdragon 410
Front Camera8-megapixel5-megapixel
Rear Camera13-megapixel + 2-megapixel8-megapixel
RAM4GB1GB
Storage64GB8GB
Battery Capacity5000mAh2000mAh
OSAndroid 12Android 4.4
Resolution720x1612 pixels480x854 pixels
general
BrandOppoOppo
ModelA57eA31
Release dateAugust 1, 2022April 1, 2015
Launched in IndiaNo-
Form factorTouchscreenTouchscreen
Dimensions (mm)163.74 x 75.03 x 7.99131.90 x 65.54 x 8.03
Weight (g)187.00135.00
Battery capacity (mAh)50002000
Removable batteryNoNo
Fast chargingProprietary-
ColoursBlack, Green-
display
Refresh Rate60 Hz-
Resolution StandardHD+-
Screen size (inches)6.564.50
Resolution720x1612 pixels480x854 pixels
Touchscreen-Yes
hardware
Processorocta-core1.4GHz quad-core
Processor makeMediaTek Helio G35Qualcomm Snapdragon 410
RAM4GB1GB
Internal storage64GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)1024128
Dedicated microSD slotYes-
camera
Rear camera13-megapixel + 2-megapixel8-megapixel
No. of Rear Cameras2-
Front camera8-megapixel5-megapixel
Rear flash-LED
software
Operating systemAndroid 12Android 4.4
SkinColorOS 12.1ColorOS 2.0.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
BluetoothYes, v 5.20Yes
USB Type-CYes-
Headphones3.5mmYes
Number of SIMs22
Active 4G on both SIM cardsYes-
GPS-Yes
NFC-No
Infrared-No
USB OTG-No
FM-No
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesYes
sensors
Fingerprint sensorYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesNo
Compass/ Magnetometer-No
Barometer-No
Temperature sensor-No

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