Oppo A12 vs Microsoft Lumia 640 comparison

Compare Oppo A12
Compare Microsoft Lumia 640
key specs
Display6.22-inch5.00-inch
ProcessorMediaTek Helio P35 Qualcomm Snapdragon 400
Front Camera5-megapixel 0.9-megapixel
Rear Camera13-megapixel + 2-megapixel 8-megapixel
RAM3GB1GB
Storage32GB8GB
Battery Capacity4230mAh2500mAh
OSAndroid 9Windows Phone 8.1
Resolution720x1520 pixels720x1280 pixels
general
BrandOppoMicrosoft
ModelA12Lumia 640
Release dateApril 1, 2020February 1, 2015
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Body typePolycarbonate-
Dimensions (mm)155.90 x 75.50 x 8.30141.30 x 72.20 x 8.80
Weight (g)165.00145.00
Battery capacity (mAh)42302500
Removable batteryNoYes
Wireless chargingNo-
ColoursBlack, Blue-
display
Screen size (inches)6.225.00
TouchscreenYesYes
Resolution720x1520 pixels720x1280 pixels
Protection typeGorilla Glass-
Pixels per inch (PPI)-294
hardware
Processorocta-core1.2GHz quad-core
Processor makeMediaTek Helio P35 (MT6765)Qualcomm Snapdragon 400
RAM3GB1GB
Internal storage32GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
Dedicated microSD slotYes-
camera
Rear camera13-megapixel (f/2.2, 1.12um-micron) + 2-megapixel (f/2.4)8-megapixel
Rear autofocusYes-
Rear flashYesLED
Front camera5-megapixel (f/2.4, 1.12um-micron)0.9-megapixel
Front autofocusNo-
Front flashNo-
software
Operating systemAndroid 9Windows Phone 8.1
SkinColorOS 6.1.2-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes
Headphones3.5mm3.5mm
Number of SIMs21
Active 4G on both SIM cardsYes-
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/ LTEYesNo
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesNo
Barometer-No
Temperature sensor-No

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