Lava Z40 vs Karbonn Smart A1 Star comparison

Compare Lava Z40
Compare Karbonn Smart A1 Star
key specs
Display4.00-inch3.50-inch
Processor1.4GHz quad-core1GHz one-core
Front Camera2-megapixelNo
Rear Camera2-megapixelNo
RAM1GB256MB
Storage8GB512MB
Battery Capacity2250mAh1450mAh
OSAndroid 8.1 Oreo (Go edition)Android 4.0
Resolution400x800 pixels320x480 pixels
general
BrandLavaKarbonn
ModelZ40Smart A1 Star
Release dateMarch 1, 2019July 1, 2013
Launched in IndiaYes-
Form factorTouchscreenBar
Dimensions (mm)125.50 x 63.90 x 11.65-
Weight (g)120.00-
Battery capacity (mAh)22501450
ColoursBlack, Gold-
Removable battery-Yes
display
Screen size (inches)4.003.50
TouchscreenYesYes
Resolution400x800 pixels320x480 pixels
Protection typeGorilla Glass-
Aspect ratio16:9-
Pixels per inch (PPI)223-
hardware
Processor1.4GHz quad-core1GHz one-core
RAM1GB256MB
Internal storage8GB512MB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)6432
camera
Rear camera2-megapixelNo
Rear flashYes-
Front camera2-megapixelNo
Front flashYes-
software
Operating systemAndroid 8.1 Oreo (Go edition)Android 4.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n-
GPSYesNo
BluetoothYes, v 4.20Yes
Micro-USBYes-
Headphones3.5mm3.5mm
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-SIMRegular
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
sim 2
SIM TypeNano-SIMRegular
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
sensors
AccelerometerYesNo
Compass/ Magnetometer-No
Proximity sensor-No
Ambient light sensor-No
Gyroscope-No
Barometer-No
Temperature sensor-No

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