Panasonic GD31 vs Karbonn K21+ comparison

Show Only Differences Highlight Differences	Panasonic GD31	Karbonn K21+
key specs
Display	2.80-inch	2.20-inch
Processor	one-core	one-core
Front Camera	No	No
Rear Camera	2-megapixel	0.3-megapixel
Battery Capacity	1110mAh	1000mAh
OS	Proprietary	-
Resolution	240x320 pixels	128x160 pixels
general
Brand	Panasonic	Karbonn
Model	GD31	K21+
Release date	July 1, 2014	September 1, 2012
Form factor	Touchscreen	Bar
Dimensions (mm)	96.60 x 56.60 x 13.00	-
Battery capacity (mAh)	1110	1000
Removable battery	Yes	Yes
Colours	Silver, Grey, Black	Silver, Black
display
Screen size (inches)	2.80	2.20
Touchscreen	Yes	No
Resolution	240x320 pixels	128x160 pixels
hardware
Processor	one-core	one-core
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	32	8
camera
Rear camera	2-megapixel	0.3-megapixel
Rear flash	Yes	-
Front camera	No	No
software
Operating system	Proprietary	-
connectivity
Wi-Fi	No	No
GPS	No	No
Bluetooth	Yes, v 2.10	Yes
NFC	No	No
Infrared	No	No
USB OTG	No	No
Headphones	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	No	No
4G/ LTE	No	No
sim 2
GSM/CDMA	GSM	GSM
3G	No	No
4G/ LTE	No	No
SIM Type	-	Regular
sensors
Compass/ Magnetometer	No	No
Proximity sensor	No	No
Accelerometer	No	No
Ambient light sensor	No	No
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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