Oppo A77 4G vs Microsoft Lumia 640 XL Dual SIM comparison

Compare Oppo A77 4G
Compare Microsoft Lumia 640 XL Dual SIM
key specs
Display6.56-inch5.70-inch
Front Camera8-megapixel5-megapixel
Rear Camera50-megapixel13-megapixel
RAM4GB1GB
Storage64GB8GB
Battery Capacity5000mAh3000mAh
OSAndroid 12Windows Phone 8.1
Processor-Qualcomm Snapdragon 400
Resolution-720x1280 pixels
general
BrandOppoMicrosoft
ModelA77 4GLumia 640 XL Dual SIM
Release dateAugust 1, 2022March 1, 2015
Launched in IndiaYes-
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
Fast chargingSuper VOOC-
ColoursSky Blue, Sunset Orange-
Form factor-Touchscreen
Removable battery-Yes
display
Resolution StandardHD+-
Screen size (inches)6.565.70
TouchscreenYesYes
Pixels per inch (PPI)269259
Resolution-720x1280 pixels
hardware
RAM4GB1GB
Internal storage64GB8GB
Processor-1.2GHz quad-core
Processor make-Qualcomm Snapdragon 400
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-128
camera
Rear camera50-megapixel13-megapixel
No. of Rear Cameras2-
Front camera8-megapixel5-megapixel
Rear flash-LED
software
Operating systemAndroid 12Windows Phone 8.1
connectivity
Wi-FiYesYes
BluetoothYesYes, v 4.00
Wi-Fi standards supported-802.11 b/g/n
GPS-Yes
NFC-Yes
Infrared-No
USB OTG-No
Headphones-3.5mm
FM-Yes
Number of SIMs-2
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sensors
Fingerprint sensorYes-
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes
Gyroscope-No
Barometer-No
Temperature sensor-No
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
sim 1
SIM Type-Micro-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-No
sim 2
SIM Type-Micro-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-No

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