Oppo A15 vs Microsoft Lumia 640 Dual SIM comparison

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Compare Oppo A15
Compare Microsoft Lumia 640 Dual SIM
key specs
Display6.52-inch5.00-inch
ProcessorMediaTek Helio P35 Qualcomm Snapdragon 400
Front Camera5-megapixel0.9-megapixel
Rear Camera13-megapixel + 2-megapixel + 2-megapixel8-megapixel
RAM3GB1GB
Storage32GB8GB
Battery Capacity4230mAh2500mAh
OSAndroid 10Windows Phone 8.1
Resolution720x1600 pixels720x1280 pixels
general
BrandOppoMicrosoft
ModelA15Lumia 640 Dual SIM
Release dateOctober 15, 2020February 1, 2015
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)164.00 x 75.00 x 8.00141.30 x 72.20 x 8.80
Weight (g)175.00145.00
Battery capacity (mAh)42302500
ColoursDynamic Black, Mystery Blue-
Removable battery-Yes
display
Screen size (inches)6.525.00
Resolution720x1600 pixels720x1280 pixels
Aspect ratio20:9-
Touchscreen-Yes
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
camera
Rear camera13-megapixel + 2-megapixel + 2-megapixel8-megapixel
Front camera5-megapixel0.9-megapixel
Rear flash-LED
software
Operating systemAndroid 10Windows Phone 8.1
SkinColorOS 7.2-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes
Micro-USBYes-
Headphones3.5mm3.5mm
Number of SIMs22
NFC-No
Infrared-No
USB OTG-No
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-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesNo
sensors
Face unlockYes-
Fingerprint sensorYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Compass/ Magnetometer-Yes
Gyroscope-No
Barometer-No
Temperature sensor-No
Compare Oppo A15
Compare Microsoft Lumia 640 Dual SIM

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