Samsung Galaxy Ace Duos vs Lenovo A390 comparison

Show Only Differences Highlight Differences	Samsung Galaxy Ace Duos	Lenovo A390
key specs
Display	3.50-inch	4.00-inch
Processor	832 MHz one-core	MediaTek MT6577
Front Camera	No	No
Rear Camera	5-megapixel	5-megapixel
RAM	512MB	512MB
Storage	3GB	4GB
Battery Capacity	1300mAh	1500mAh
OS	Android 2.3	Android 4
Resolution	320x480 pixels	480x800 pixels
general
Alternate names	GT-S6802	-
Brand	Samsung	Lenovo
Model	Galaxy Ace Duos	A390
Release date	June 1, 2012	June 1, 2013
Form factor	Bar	Bar
Dimensions (mm)	112.74 x 61.50 x 11.50	125.60 x 64.00 x 10.05
Weight (g)	122.00	131.00
Battery capacity (mAh)	1300	1500
Removable battery	Yes	Yes
SAR value	-	0.61
display
Screen size (inches)	3.50	4.00
Touchscreen	Yes	Yes
Resolution	320x480 pixels	480x800 pixels
Pixels per inch (PPI)	165	233
hardware
Processor	832 MHz one-core	1GHz dual-core
RAM	512MB	512MB
Internal storage	3GB	4GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	32	32
Processor make	-	MediaTek MT6577
camera
Rear camera	5-megapixel	5-megapixel
Rear flash	No	-
Front camera	No	No
software
Operating system	Android 2.3	Android 4
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	802.11 a/b/g/n
GPS	Yes	Yes
Bluetooth	Yes, v 3.00	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
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	No	Yes
Accelerometer	Yes	No
Ambient light sensor	No	Yes
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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