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Micromax Bolt A66 vs Micromax A68 Smarty 4.0 vs Micromax A57

Micromax Bolt A66 vs Micromax A68 Smarty 4.0 vs Micromax A57 comparison

Show Only Differences Highlight Differences	Micromax Bolt A66	Micromax A68 Smarty 4.0	Micromax A57
key specs
Display	4.50-inch	4.00-inch	3.50-inch
Processor	Spreadtrum SC7710G	MediaTek MT6515	Qualcomm Snapdragon S1
Front Camera	0.3-megapixel	No	No
Rear Camera	2-megapixel	5-megapixel	3-megapixel
RAM	512MB	512MB	256MB
Storage	512MB	4GB	150MB
Battery Capacity	1500mAh	1600mAh	1400mAh
OS	Android 4.1	Android 4	Android
Resolution	-	480x800 pixels	320x480 pixels
general
Brand	Micromax	Micromax	Micromax
Model	Bolt A66	A68 Smarty 4.0	A57
Release date	January 1, 2014	June 1, 2013	June 1, 2013
Battery capacity (mAh)	1500	1600	1400
Removable battery	Yes	Yes	Yes
Alternate names	-	-	Ninja 3.0
Form factor	-	-	Bar
Dimensions (mm)	-	-	116.00 x 62.00 x 11.50
Weight (g)	-	-	93.80
Colours	-	-	Black
display
Screen size (inches)	4.50	4.00	3.50
Touchscreen	Yes	Yes	Yes
Resolution	-	480x800 pixels	320x480 pixels
Pixels per inch (PPI)	-	-	165
hardware
Processor	1GHz one-core	1GHz one-core	1GHz one-core
Processor make	Spreadtrum SC7710G	MediaTek MT6515	Qualcomm Snapdragon S1
RAM	512MB	512MB	256MB
Internal storage	512MB	4GB	150MB
Expandable storage	Yes	Yes	Yes
Expandable storage type	microSD	microSD	microSD
Expandable storage up to (GB)	32	32	32
camera
Rear camera	2-megapixel	5-megapixel	3-megapixel
Rear flash	Yes	Yes	No
Front camera	0.3-megapixel	No	No
software
Operating system	Android 4.1	Android 4	Android
connectivity
Wi-Fi	Yes	Yes	Yes
GPS	Yes	No	Yes
Bluetooth	Yes	Yes	Yes, v 2.10
NFC	No	No	No
Infrared	No	No	No
USB OTG	No	No	No
Headphones	3.5mm	-	3.5mm
FM	Yes	No	Yes
Number of SIMs	2	2	2
Wi-Fi Direct	No	No	No
Mobile High-Definition Link (MHL)	No	No	No
sim 1
SIM Type	Regular	Regular	Regular
GSM/CDMA	GSM	GSM	GSM
3G	Yes	No	Yes
4G/ LTE	No	No	No
sim 2
SIM Type	Regular	Regular	Regular
GSM/CDMA	GSM	GSM	GSM
3G	Yes	No	No
4G/ LTE	No	No	No
sensors
Compass/ Magnetometer	No	No	No
Proximity sensor	No	No	Yes
Accelerometer	No	No	Yes
Ambient light sensor	No	No	No
Gyroscope	No	No	No
Barometer	No	No	No
Temperature sensor	No	No	No

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