Micromax Bolt A28 vs Lenovo A390 comparison

Show Only Differences Highlight Differences	Micromax Bolt A28	Lenovo A390
key specs
Display	3.50-inch	4.00-inch
Processor	ARM Cortex-A5	MediaTek MT6577
Front Camera	No	No
Rear Camera	0.3-megapixel	5-megapixel
RAM	256MB	512MB
Storage	512MB	4GB
Battery Capacity	1500mAh	1500mAh
OS	Android 2.3	Android 4
Resolution	320x480 pixels	480x800 pixels
general
Brand	Micromax	Lenovo
Model	Bolt A28	A390
Release date	December 1, 2013	June 1, 2013
Dimensions (mm)	116.90 x 62.50 x 12.50	125.60 x 64.00 x 10.05
Weight (g)	89.00	131.00
Battery capacity (mAh)	1500	1500
Removable battery	Yes	Yes
Form factor	-	Bar
SAR value	-	0.61
display
Screen size (inches)	3.50	4.00
Touchscreen	Yes	Yes
Resolution	320x480 pixels	480x800 pixels
Pixels per inch (PPI)	-	233
hardware
Processor	1GHz one-core	1GHz dual-core
Processor make	ARM Cortex-A5	MediaTek MT6577
RAM	256MB	512MB
Internal storage	512MB	4GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	32	32
camera
Rear camera	0.3-megapixel	5-megapixel
Rear flash	No	-
Front camera	No	No
software
Operating system	Android 2.3	Android 4
connectivity
Wi-Fi	Yes	Yes
GPS	No	Yes
Bluetooth	Yes	Yes, v 3.00
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
Wi-Fi standards supported	-	802.11 a/b/g/n
sim 1
SIM Type	Regular	Regular
GSM/CDMA	GSM	GSM
3G	No	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	No	Yes
Accelerometer	No	No
Ambient light sensor	No	Yes
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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