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Lava Z40 vs Karbonn Smart A12 Star comparison

 Compare Lava Z40
Lava Z40
Compare Karbonn Smart A12 Star
Karbonn Smart A12 Star
key specs
Display4.00-inch4.00-inch
Processor1.4GHz quad-coreMediaTek
Front Camera2-megapixel0.3-megapixel
Rear Camera2-megapixel5-megapixel
RAM1GB512MB
Storage8GB4GB
Battery Capacity2250mAh1400mAh
OSAndroid 8.1 Oreo (Go edition)Android 4.4.2
Resolution400x800 pixels480x800 pixels
general
BrandLavaKarbonn
ModelZ40Smart A12 Star
Release dateMarch 1, 2019July 1, 2014
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)125.50 x 63.90 x 11.6564.20 x 124.20 x 10.10
Weight (g)120.00130.00
Battery capacity (mAh)22501400
ColoursBlack, GoldBlack, Silver
Removable battery-No
display
Screen size (inches)4.004.00
TouchscreenYesYes
Resolution400x800 pixels480x800 pixels
Protection typeGorilla Glass-
Aspect ratio16:9-
Pixels per inch (PPI)223233
hardware
Processor1.4GHz quad-core1.2GHz one-core
RAM1GB512MB
Internal storage8GB4GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)6432
Processor make-MediaTek
camera
Rear camera2-megapixel5-megapixel
Rear flashYesLED
Front camera2-megapixel0.3-megapixel
Front flashYes-
software
Operating systemAndroid 8.1 Oreo (Go edition)Android 4.4.2
connectivity
Wi-FiYesNo
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n
GPSYesNo
BluetoothYes, v 4.20Yes
Micro-USBYes-
Headphones3.5mm-
Number of SIMs22
NFC-No
Infrared-No
USB OTG-No
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesNo
sensors
AccelerometerYesYes
Compass/ Magnetometer-No
Proximity sensor-Yes
Ambient light sensor-Yes
Gyroscope-No
Barometer-No
Temperature sensor-No

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