Karbonn A91 vs Karbonn smart A51 comparison

Show Only Differences Highlight Differences	Karbonn A91	Karbonn smart A51
key specs
Display	3.90-inch	3.50-inch
Processor	1.3GHz dual-core	1GHz one-core
Front Camera	Unspecified	0.3-megapixel
Rear Camera	3.2-megapixel	3.2-megapixel
RAM	256MB	256MB
Storage	512MB	512MB
Battery Capacity	1500mAh	1100mAh
OS	Android 4.2	Android 4.0
Resolution	480x800 pixels	320x480 pixels
general
Brand	Karbonn	Karbonn
Model	A91	smart A51
Release date	January 1, 2014	September 1, 2013
Battery capacity (mAh)	1500	1100
Removable battery	Yes	No
Form factor	-	Bar
Colours	-	Black, White
display
Screen size (inches)	3.90	3.50
Touchscreen	Yes	Yes
Resolution	480x800 pixels	320x480 pixels
hardware
Processor	1.3GHz dual-core	1GHz one-core
RAM	256MB	256MB
Internal storage	512MB	512MB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	32	32
camera
Rear camera	3.2-megapixel	3.2-megapixel
Rear flash	No	LED
Front camera	Unspecified	0.3-megapixel
software
Operating system	Android 4.2	Android 4.0
connectivity
Wi-Fi	Yes	Yes
GPS	No	No
Bluetooth	Yes	Yes
NFC	No	No
Infrared	No	No
USB OTG	No	No
Headphones	3.5mm	3.5mm
FM	Yes	Yes
Number of SIMs	2	2
Wi-Fi Direct	No	No
Mobile High-Definition Link (MHL)	No	No
Wi-Fi standards supported	-	802.11 b/g
sim 1
SIM Type	Regular	Regular
GSM/CDMA	GSM	GSM
3G	No	No
4G/ LTE	No	No
sim 2
SIM Type	Regular	Regular
GSM/CDMA	GSM	GSM
3G	No	No
4G/ LTE	No	No
sensors
Compass/ Magnetometer	No	No
Proximity sensor	Yes	No
Accelerometer	No	Yes
Ambient light sensor	No	No
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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