Oppo K1 vs Microsoft Lumia 640 XL LTE Dual SIM comparison

Compare Oppo K1
Compare Microsoft Lumia 640 XL LTE Dual SIM
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.41-inch5.70-inch
ProcessorQualcomm Snapdragon 660Qualcomm Snapdragon 400
Front Camera25-megapixel5-megapixel
Rear Camera16-megapixel + 2-megapixel13-megapixel
RAM4GB1GB
Storage64GB8GB
Battery Capacity3600mAh3120mAh
OSAndroid 8.1 OreoWindows Phone 8.1
Resolution1080x2340 pixels720x1280 pixels
general
BrandOppoMicrosoft
ModelK1Lumia 640 XL LTE Dual SIM
Release dateFebruary 1, 2019March 1, 2015
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Body typePlastic-
Dimensions (mm)158.30 x 75.50 x 7.40157.90 x 81.50 x 9.00
Weight (g)156.00171.00
Battery capacity (mAh)36003120
Removable batteryNoYes
Wireless chargingNo-
ColoursAstral Blue, Piano Black-
display
Screen size (inches)6.415.70
TouchscreenYesYes
Resolution1080x2340 pixels720x1280 pixels
Protection typeGorilla Glass-
Aspect ratio19.5:9-
Pixels per inch (PPI)-259
hardware
Processor2.2GHz octa-core1.2GHz quad-core
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 400
RAM4GB1GB
Internal storage64GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
Dedicated microSD slotYes-
camera
Rear camera16-megapixel + 2-megapixel13-megapixel
Rear autofocusYes-
Rear flashYesLED
Front camera25-megapixel5-megapixel
software
Operating systemAndroid 8.1 OreoWindows Phone 8.1
SkinColorOS 5.2-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.00
NFCNoYes
USB OTGYesNo
Micro-USBYes-
HeadphonesYes3.5mm
FMNoYes
Active 4G on both SIM cardsYes-
Infrared-No
Number of SIMs-2
Wi-Fi Direct-Yes
Mobile High-Definition Link (MHL)-No
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesNo
Barometer-No
Temperature sensor-No
sim 1
SIM Type-Micro-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Micro-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
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