Oppo A57 (2022) vs Microsoft Lumia 640 XL comparison

Compare Oppo A57 (2022)
Compare Microsoft Lumia 640 XL
key specs
Display6.56-inch5.70-inch
ProcessorMediaTek Helio G35Qualcomm Snapdragon 400
Front Camera8-megapixel5-megapixel
Rear Camera13-megapixel + 2-megapixel13-megapixel
RAM3GB1GB
Storage64GB8GB
Battery Capacity5000mAh3000mAh
OSAndroid 12Windows Phone 8.1
Resolution720x1612 pixels720x1280 pixels
general
BrandOppoMicrosoft
ModelA57 (2022)Lumia 640 XL
Release dateMay 26, 2022March 1, 2015
Launched in IndiaNo-
Form factorTouchscreenTouchscreen
Dimensions (mm)163.74 x 75.03 x 7.99157.90 x 81.50 x 9.00
Weight (g)187.00171.00
Battery capacity (mAh)50003000
Removable batteryNoYes
Fast chargingProprietary-
ColoursGlowing Black, Glowing Green,-
display
Refresh Rate60 Hz-
Resolution StandardHD+-
Screen size (inches)6.565.70
Resolution720x1612 pixels720x1280 pixels
Touchscreen-Yes
Pixels per inch (PPI)-259
hardware
Processorocta-core1.2GHz quad-core
Processor makeMediaTek Helio G35Qualcomm Snapdragon 400
RAM3GB1GB
Internal storage64GB8GB
Expandable storageYesYes
Expandable storage type-microSD
Expandable storage up to (GB)-128
camera
Rear camera13-megapixel + 2-megapixel13-megapixel
No. of Rear Cameras2-
Front camera8-megapixel5-megapixel
Rear flash-LED
software
Operating systemAndroid 12Windows Phone 8.1
SkinColorOS 12.1-
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.00
USB Type-CYes-
Number of SIMs21
Wi-Fi standards supported-802.11 b/g/n
NFC-Yes
Infrared-No
USB OTG-No
Headphones-3.5mm
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesNo
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sensors
Fingerprint sensorYes-
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes
Gyroscope-No
Barometer-No
Temperature sensor-No

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