Samsung Galaxy Y Pro Duos vs Karbonn A21 comparison

Show Only Differences Highlight Differences	Samsung Galaxy Y Pro Duos	Karbonn A21
ratings
Overall NDTV Rating	Read Review	-
Performance Rating		-
Value for Money Rating		-
key specs
Display	2.60-inch	4.50-inch
Processor	832 MHz one-core	Qualcomm Snapdragon S4 Play
Front Camera	0.3-megapixel	1.3-megapixel
Rear Camera	3.2-megapixel	5-megapixel
RAM	384MB	512MB
Storage	160MB	4GB
Battery Capacity	1350mAh	1800mAh
OS	Android 2.3	Android 4
Resolution	240x320 pixels	480x800 pixels
general
Alternate names	GT-B5512	-
Brand	Samsung	Karbonn
Model	Galaxy Y Pro Duos	A21
Release date	December 1, 2011	December 1, 2012
Form factor	Bar	Bar
Dimensions (mm)	110.80 x 63.50 x 11.90	-
Weight (g)	112.30	-
Battery capacity (mAh)	1350	1800
Removable battery	No	No
Colours	-	Pearl White
display
Screen size (inches)	2.60	4.50
Touchscreen	Yes	Yes
Resolution	240x320 pixels	480x800 pixels
Pixels per inch (PPI)	154	-
hardware
Processor	832 MHz one-core	1.2GHz one-core
RAM	384MB	512MB
Internal storage	160MB	4GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	32	32
Processor make	-	Qualcomm Snapdragon S4 Play (MSM8225)
camera
Rear camera	3.2-megapixel	5-megapixel
Rear flash	No	LED
Front camera	0.3-megapixel	1.3-megapixel
software
Operating system	Android 2.3	Android 4
connectivity
Wi-Fi	Yes	No
GPS	Yes	Yes
Bluetooth	Yes, v 3.00	Yes
NFC	No	No
Infrared	No	No
USB OTG	No	No
Headphones	3.5mm	-
FM	Yes	No
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	Yes
4G/ LTE	No	No
sensors
Compass/ Magnetometer	Yes	No
Proximity sensor	Yes	No
Accelerometer	Yes	No
Ambient light sensor	No	No
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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