Lava Z40 vs Karbonn Smart A1 Star comparison

Show Only Differences Highlight Differences	Lava Z40	Karbonn Smart A1 Star
key specs
Display	4.00-inch	3.50-inch
Processor	1.4GHz quad-core	1GHz one-core
Front Camera	2-megapixel	No
Rear Camera	2-megapixel	No
RAM	1GB	256MB
Storage	8GB	512MB
Battery Capacity	2250mAh	1450mAh
OS	Android 8.1 Oreo (Go edition)	Android 4.0
Resolution	400x800 pixels	320x480 pixels
general
Brand	Lava	Karbonn
Model	Z40	Smart A1 Star
Release date	March 1, 2019	July 1, 2013
Launched in India	Yes	-
Form factor	Touchscreen	Bar
Dimensions (mm)	125.50 x 63.90 x 11.65	-
Weight (g)	120.00	-
Battery capacity (mAh)	2250	1450
Colours	Black, Gold	-
Removable battery	-	Yes
display
Screen size (inches)	4.00	3.50
Touchscreen	Yes	Yes
Resolution	400x800 pixels	320x480 pixels
Protection type	Gorilla Glass	-
Aspect ratio	16:9	-
Pixels per inch (PPI)	223	-
hardware
Processor	1.4GHz quad-core	1GHz one-core
RAM	1GB	256MB
Internal storage	8GB	512MB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	64	32
camera
Rear camera	2-megapixel	No
Rear flash	Yes	-
Front camera	2-megapixel	No
Front flash	Yes	-
software
Operating system	Android 8.1 Oreo (Go edition)	Android 4.0
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	-
GPS	Yes	No
Bluetooth	Yes, v 4.20	Yes
Micro-USB	Yes	-
Headphones	3.5mm	3.5mm
Number of SIMs	2	2
NFC	-	No
Infrared	-	No
USB OTG	-	No
FM	-	Yes
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Regular
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	Yes	No
sim 2
SIM Type	Nano-SIM	Regular
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	Yes	No
sensors
Accelerometer	Yes	No
Compass/ Magnetometer	-	No
Proximity sensor	-	No
Ambient light sensor	-	No
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No

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