Celkon Campus A20 vs Micromax Bolt A51 comparison

Show Only Differences Highlight Differences	Celkon Campus A20	Micromax Bolt A51
key specs
Display	4.00-inch	3.50-inch
Processor	1.2GHz dual-core	Broadcom BCM21552KFFBG
Front Camera	0.3-megapixel	0.3-megapixel
Rear Camera	3.2-megapixel	2-megapixel
RAM	256MB	256MB
Storage	512MB	512MB
Battery Capacity	1500mAh	1500mAh
OS	Android 4.2	Android 2.3
Resolution	480x800 pixels	320x480 pixels
general
Brand	Celkon	Micromax
Model	Campus A20	Bolt A51
Release date	August 1, 2013	April 1, 2013
Form factor	Touchscreen	-
Battery capacity (mAh)	1500	1500
Removable battery	Yes	Yes
Dimensions (mm)	-	118.50 x 62.50 x 12.80
Weight (g)	-	118.00
display
Screen size (inches)	4.00	3.50
Touchscreen	Yes	Yes
Resolution	480x800 pixels	320x480 pixels
Pixels per inch (PPI)	233	-
hardware
Processor	1.2GHz dual-core	832 MHz 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
Processor make	-	Broadcom BCM21552KFFBG
camera
Rear camera	3.2-megapixel	2-megapixel
Rear flash	LED	Yes
Front camera	0.3-megapixel	0.3-megapixel
software
Operating system	Android 4.2	Android 2.3
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	-
GPS	No	No
Bluetooth	Yes	Yes
NFC	No	No
Infrared	No	No
USB OTG	No	No
Headphones	3.5mm	-
FM	Yes	No
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	Yes	Yes
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	Yes	No
Ambient light sensor	No	No
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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