Micromax Bolt AD3520 vs Karbonn Smart A12 Star comparison

Show Only Differences Highlight Differences	Micromax Bolt AD3520	Karbonn Smart A12 Star
key specs
Display	3.50-inch	4.00-inch
Processor	MediaTek MT6571	MediaTek
Front Camera	0.3-megapixel	0.3-megapixel
Rear Camera	2-megapixel	5-megapixel
RAM	512MB	512MB
Storage	4GB	4GB
Battery Capacity	1500mAh	1400mAh
OS	Android 4.4	Android 4.4.2
Resolution	480x854 pixels	480x800 pixels
general
Brand	Micromax	Karbonn
Model	Bolt AD3520	Smart A12 Star
Release date	January 1, 2015	July 1, 2014
Form factor	Touchscreen	Touchscreen
Battery capacity (mAh)	1500	1400
Removable battery	Yes	No
Colours	Black	Black, Silver
Dimensions (mm)	-	64.20 x 124.20 x 10.10
Weight (g)	-	130.00
display
Screen size (inches)	3.50	4.00
Touchscreen	Yes	Yes
Resolution	480x854 pixels	480x800 pixels
Pixels per inch (PPI)	-	233
hardware
Processor	1.3GHz dual-core	1.2GHz one-core
Processor make	MediaTek MT6571	MediaTek
RAM	512MB	512MB
Internal storage	4GB	4GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	32	32
camera
Rear camera	2-megapixel	5-megapixel
Rear flash	LED	LED
Front camera	0.3-megapixel	0.3-megapixel
software
Operating system	Android 4.4	Android 4.4.2
connectivity
Wi-Fi	Yes	No
Wi-Fi standards supported	802.11 b/g/n	802.11 b/g/n
GPS	Yes	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	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	No	No
sim 2
SIM Type	Regular	Micro-SIM
GSM/CDMA	GSM	GSM
3G	No	Yes
4G/ LTE	No	No
sensors
Compass/ Magnetometer	Yes	No
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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