Micromax Bolt A24 vs Karbonn K21 comparison

Show Only Differences Highlight Differences	Micromax Bolt A24	Karbonn K21
key specs
Display	2.80-inch	2.20-inch
Processor	ARM Cortex-A5	one-core
Front Camera	No	No
Rear Camera	0.3-megapixel	1.3-megapixel
RAM	256MB	-
Storage	512MB	-
OS	Android 2.3	Proprietary
Resolution	480x640 pixels	176x220 pixels
Battery Capacity	-	1000mAh
general
Brand	Micromax	Karbonn
Model	Bolt A24	K21
Release date	January 1, 2014	December 1, 2011
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
Battery capacity (mAh)	-	1000
Colours	-	Coffee, Grey
display
Screen size (inches)	2.80	2.20
Touchscreen	Yes	No
Resolution	480x640 pixels	176x220 pixels
hardware
Processor	1GHz one-core	one-core
Processor make	ARM Cortex-A5	-
RAM	256MB	-
Internal storage	512MB	-
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	16	8
camera
Rear camera	0.3-megapixel	1.3-megapixel
Rear flash	No	No
Front camera	No	No
software
Operating system	Android 2.3	Proprietary
connectivity
Wi-Fi	Yes	No
GPS	No	No
Bluetooth	Yes	Yes
NFC	No	No
Infrared	No	No
USB OTG	No	No
Headphones	Yes	-
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	No	No
Accelerometer	Yes	No
Ambient light sensor	No	No
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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