Micromax Bolt A66 vs Micromax Bolt A40 comparison

Show Only Differences Highlight Differences	Micromax Bolt A66	Micromax Bolt A40
key specs
Display	4.50-inch	4.50-inch
Processor	Spreadtrum SC7710G	Spreadtrum SC6820
Front Camera	0.3-megapixel	0.3-megapixel
Rear Camera	2-megapixel	2-megapixel
RAM	512MB	512MB
Storage	512MB	75MB
Battery Capacity	1500mAh	1500mAh
OS	Android 4.1	Android 2.3
Resolution	-	480x854 pixels
general
Brand	Micromax	Micromax
Model	Bolt A66	Bolt A40
Release date	January 1, 2014	September 1, 2013
Battery capacity (mAh)	1500	1500
Removable battery	Yes	Yes
Form factor	-	Bar
Dimensions (mm)	-	135.00 x 67.00 x 10.00
Weight (g)	-	158.00
display
Screen size (inches)	4.50	4.50
Touchscreen	Yes	Yes
Resolution	-	480x854 pixels
hardware
Processor	1GHz one-core	1GHz one-core
Processor make	Spreadtrum SC7710G	Spreadtrum SC6820
RAM	512MB	512MB
Internal storage	512MB	75MB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	32	32
camera
Rear camera	2-megapixel	2-megapixel
Rear flash	Yes	Yes
Front camera	0.3-megapixel	0.3-megapixel
software
Operating system	Android 4.1	Android 2.3
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 2.10
NFC	No	No
Infrared	No	No
USB OTG	No	No
Headphones	3.5mm	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	Yes	No
4G/ LTE	No	No
sim 2
SIM Type	Regular	Regular
GSM/CDMA	GSM	GSM
3G	Yes	No
4G/ LTE	No	No
sensors
Compass/ Magnetometer	No	No
Proximity sensor	No	No
Accelerometer	No	Yes
Ambient light sensor	No	No
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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