Karbonn K9 Smart Selfie vs Oppo A57 comparison

Compare Karbonn K9 Smart Selfie
Compare Oppo A57
key specs
Display5.00-inch5.20-inch
Processor1.1GHz quad-coreQualcomm Snapdragon 435
Front Camera8-megapixel16-megapixel
Rear Camera5-megapixel13-megapixel
RAM1GB3GB
Storage8GB32GB
Battery Capacity2300mAh2900mAh
OSAndroid 7.0Android 6.0
Resolution480x854 pixels720x1280 pixels
general
BrandKarbonnOppo
ModelK9 Smart SelfieA57
Release dateNovember 1, 2017November 1, 2016
Form factorTouchscreenTouchscreen
Battery capacity (mAh)23002900
Removable batteryNoNo
ColoursBlack, BlueRose Gold, Gold
Launched in India-Yes
Dimensions (mm)-149.10 x 72.90 x 7.65
Weight (g)-147.00
SAR value-1.31
display
Screen size (inches)5.005.20
TouchscreenYesYes
Resolution480x854 pixels720x1280 pixels
Aspect ratio-16:9
hardware
Processor1.1GHz quad-core1.4GHz octa-core
RAM1GB3GB
Internal storage8GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)32256
Processor make-Qualcomm Snapdragon 435
camera
Rear camera5-megapixel13-megapixel (f/2.2)
Rear flashLEDLED
Front camera8-megapixel16-megapixel (f/2.0, 1.12-micron)
Rear autofocus-Phase detection autofocus
Front autofocus-Yes
software
Operating systemAndroid 7.0Android 6.0
Skin-ColorOS 3.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYesYes, v 4.10
NFCNoNo
InfraredNoNo
USB OTGNoYes
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
Wi-Fi standards supported-802.11 b/g/n
Micro-USB-Yes
sim 1
SIM TypeMicro-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeMicro-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Compass/ MagnetometerNoYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeNoYes
BarometerNoNo
Temperature sensorNoNo
Fingerprint sensor-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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