Oppo A3X 5G vs Microsoft Lumia 640 Dual SIM comparison

Compare Oppo A3X 5G
Compare Microsoft Lumia 640 Dual SIM
key specs
Display6.67-inch5.00-inch
ProcessorMediaTek Dimensity 6300Qualcomm Snapdragon 400
Front Camera5-megapixel 0.9-megapixel
Rear Camera8-megapixel 8-megapixel
RAM4GB1GB
Storage64GB, 128GB8GB
Battery Capacity5100mAh2500mAh
OSAndroid 14Windows Phone 8.1
Resolution720x1604 pixels720x1280 pixels
general
BrandOppoMicrosoft
ModelA3X 5GLumia 640 Dual SIM
Release dateAugust 1, 2024February 1, 2015
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)165.70 x 76.00 x 7.70141.30 x 72.20 x 8.80
Weight (g)187.00145.00
Battery capacity (mAh)51002500
Removable batteryNoYes
Fast charging45W Fast Charging-
Wireless chargingNo-
ColoursSparkle Black, Starry Purple, Starlight White-
display
Refresh Rate120 Hz-
Resolution StandardHD+-
Screen size (inches)6.675.00
TouchscreenYesYes
Resolution720x1604 pixels720x1280 pixels
Protection typeOther-
Pixels per inch (PPI)264294
hardware
Processorocta-core1.2GHz quad-core
Processor makeMediaTek Dimensity 6300Qualcomm Snapdragon 400
RAM4GB1GB
Internal storage64GB, 128GB8GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-128
camera
Rear camera8-megapixel (f/2.0)8-megapixel
No. of Rear Cameras2-
Front camera5-megapixel (f/2.2)0.9-megapixel
No. of Front Cameras1-
Rear flash-LED
software
Operating systemAndroid 14Windows Phone 8.1
SkinColorOS 14.0.1-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.30Yes
USB OTGYesNo
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
NFC-No
Infrared-No
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
4G/ LTEYesNo
5GYes-
3G-Yes
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
4G/ LTEYesNo
5GYes-
3G-Yes
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-No
Barometer-No
Temperature sensor-No

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