Panasonic GD21 vs Panasonic GD31 vs Lenovo A526 comparison

Show Only Differences Highlight Differences	Panasonic GD21	Panasonic GD31	Lenovo A526
key specs
Display	2.40-inch	2.80-inch	4.50-inch
Processor	one-core	one-core	1.3GHz quad-core
Front Camera	No	No	0.3-megapixel
Rear Camera	1.3-megapixel	2-megapixel	5-megapixel
RAM	32MB	-	1GB
Battery Capacity	1800mAh	1110mAh	2000mAh
OS	Proprietary	Proprietary	Android 4.2
Resolution	240x320 pixels	240x320 pixels	480x854 pixels
Storage	-	-	4GB
general
Brand	Panasonic	Panasonic	Lenovo
Model	GD21	GD31	A526
Release date	July 1, 2014	July 1, 2014	April 1, 2014
Form factor	Bar	Touchscreen	Touchscreen
Dimensions (mm)	120.00 x 50.00 x 14.30	96.60 x 56.60 x 13.00	-
Battery capacity (mAh)	1800	1110	2000
Removable battery	Yes	Yes	Yes
Colours	-	Silver, Grey, Black	Blue
display
Screen size (inches)	2.40	2.80	4.50
Touchscreen	No	Yes	Yes
Resolution	240x320 pixels	240x320 pixels	480x854 pixels
hardware
Processor	one-core	one-core	1.3GHz quad-core
RAM	32MB	-	1GB
Expandable storage	Yes	Yes	Yes
Expandable storage type	microSD	microSD	microSD
Expandable storage up to (GB)	16	32	32
Internal storage	-	-	4GB
camera
Rear camera	1.3-megapixel	2-megapixel	5-megapixel
Rear flash	No	Yes	No
Front camera	No	No	0.3-megapixel
software
Operating system	Proprietary	Proprietary	Android 4.2
connectivity
Wi-Fi	No	No	Yes
GPS	No	No	Yes
Bluetooth	Yes, v 2.10	Yes, v 2.10	Yes
NFC	No	No	No
Infrared	No	No	No
USB OTG	No	No	No
Headphones	3.5mm	3.5mm	3.5mm
FM	Yes	Yes	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	No	No	Yes
4G/ LTE	No	No	No
sim 2
SIM Type	Regular	-	-
GSM/CDMA	GSM	GSM	GSM
3G	No	No	Yes
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	Yes
Gyroscope	No	No	No
Barometer	No	No	No
Temperature sensor	No	No	No

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