Oppo A83 vs Nokia 6.1 vs Lenovo K8 Note vs Xiaomi Redmi Note 4 comparison

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ratings
Overall NDTV RatingRead ReviewRead ReviewRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display5.70-inch5.50-inch5.50-inch5.50-inch
ProcessorMediaTek MT6737TQualcomm Snapdragon 630MediaTek Helio X23 Qualcomm Snapdragon 625
Front Camera8-megapixel8-megapixel13-megapixel5-megapixel
Rear Camera13-megapixel16-megapixel13-megapixel13-megapixel
RAM3GB3GB3GB4GB
Storage32GB32GB32GB64GB
Battery Capacity3180mAh3000mAh4000mAh4100mAh
OSAndroid 7.1Android 8.0Android 7.1.1Android 6.0
Resolution720x1440 pixels1080x1920 pixels1080x1920 pixels1080x1920 pixels
general
BrandOppoNokiaLenovoXiaomi
ModelA836.1K8 NoteRedmi Note 4
Release dateDecember 1, 2017January 1, 2018August 1, 2017August 1, 2016
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)150.50 x 73.10 x 7.70148.80 x 75.80 x 8.60154.50 x 75.90 x 8.50151.00 x 76.00 x 8.30
Weight (g)143.00172.00180.00175.00
Battery capacity (mAh)3180300040004100
ColoursChampagne, BlackBlack and SilverFine Gold, Venom BlackGold, Grey, Matte Black
Removable battery-NoNoNo
Launched in India---Yes
display
Screen size (inches)5.705.505.505.50
TouchscreenYesYesYesYes
Resolution720x1440 pixels1080x1920 pixels1080x1920 pixels1080x1920 pixels
Aspect ratio18:9--16:9
Pixels per inch (PPI)--441401
hardware
Processor2.5GHz octa-core2.2GHz octa-core1.4GHz deca-core2GHz octa-core
Processor makeMediaTek MT6737TQualcomm Snapdragon 630MediaTek Helio X23 (MT6797D)Qualcomm Snapdragon 625
RAM3GB3GB3GB4GB
Internal storage32GB32GB32GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256128128128
camera
Rear camera13-megapixel16-megapixel13-megapixel13-megapixel (f/2.0, 1.12-micron)
Rear flashLEDDual LEDDual LEDDual LED
Front camera8-megapixel8-megapixel13-megapixel5-megapixel (f/2.0)
Front flash--LED-
Rear autofocus---Phase detection autofocus
software
Operating systemAndroid 7.1Android 8.0Android 7.1.1Android 6.0
SkinColorOS 3.2--MIUI 8
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n802.11 a/b/g/n802.11 a/b/g/n/ac802.11 a/b/g/n
GPSYesYesYesYes
BluetoothYes, v 4.20Yes, v 5.00Yes, v 4.10Yes, v 4.10
NFCNoYesNoNo
InfraredNo-NoYes
USB OTGYesYesYesYes
Micro-USBYes--Yes
Headphones3.5mm3.5mm3.5mm3.5mm
FMYesYesYesYes
Number of SIMs2222
Wi-Fi Direct-YesNoNo
Mobile High-Definition Link (MHL)--NoNo
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMMicro-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Face unlockYes---
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
Compass/ Magnetometer-YesYesYes
Gyroscope-YesYesYes
Barometer--NoNo
Temperature sensor--NoNo
Fingerprint sensor---Yes

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