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Karbonn A91 vs Karbonn K21
Karbonn A91
vs
Karbonn K21
comparison
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Karbonn A91
Karbonn K21
key specs
Display
3.90-inch
2.20-inch
Processor
1.3GHz dual-core
one-core
Front Camera
Unspecified
No
Rear Camera
3.2-megapixel
1.3-megapixel
RAM
256MB
-
Storage
512MB
-
Battery Capacity
1500mAh
1000mAh
OS
Android 4.2
Proprietary
Resolution
480x800 pixels
176x220 pixels
general
Brand
Karbonn
Karbonn
Model
A91
K21
Release date
January 1, 2014
December 1, 2011
Battery capacity (mAh)
1500
1000
Removable battery
Yes
Yes
Alternate names
-
K21 Radio jockey
Form factor
-
Bar
Dimensions (mm)
-
111.50 x 47.30 x 14.30
Weight (g)
-
80.00
Colours
-
Coffee, Grey
display
Screen size (inches)
3.90
2.20
Touchscreen
Yes
No
Resolution
480x800 pixels
176x220 pixels
hardware
Processor
1.3GHz dual-core
one-core
RAM
256MB
-
Internal storage
512MB
-
Expandable storage
Yes
Yes
Expandable storage type
microSD
microSD
Expandable storage up to (GB)
32
8
camera
Rear camera
3.2-megapixel
1.3-megapixel
Rear flash
No
No
Front camera
Unspecified
No
software
Operating system
Android 4.2
Proprietary
connectivity
Wi-Fi
Yes
No
GPS
No
No
Bluetooth
Yes
Yes
NFC
No
No
Infrared
No
No
USB OTG
No
No
Headphones
3.5mm
-
FM
Yes
Yes
Number of SIMs
2
2
Wi-Fi Direct
No
No
Mobile High-Definition Link (MHL)
No
No
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
No
Ambient light sensor
No
No
Gyroscope
No
No
Barometer
No
No
Temperature sensor
No
No
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Karbonn A91 with Android 4.2, dual-core processor listed online at Rs. 4,490
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