Zen Ultrafone 303 3G vs. Karbonn Smart A12 Star

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Zen Ultrafone 303 3G

Karbonn Smart A12 Star

Price
Rs. 2,659.00	Rs. 3,655.00
Capacity
1600 mAH, Li-ion 14.3% more mAH battery than Karbonn Smart A12 Star. More battery capacity reduces the need to charge your battery again. (1600 mAH, Li-ion vs. 1400 mAH, Li-ion)	1400 mAH, Li-ion
Main Camera
8 MP 60.0% more mega pixels (MP) on main camera than Karbonn Smart A12 Star. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (8 MP vs. 5 MP)	5 MP
Front Camera
1.3 MP 333.3% more mega pixels (MP) on front camera than Karbonn Smart A12 Star. More front camera resolution means better selfies picture. Front facing cameras also used for video call on Skype (1.3 MP vs. 0.3 MP)	0.3 MP
Flash
LED	LED
Zoom
Digital Zoom	Digital Zoom
Operating Frequency
GSM 1800 / 900 MHz UMTS 2100 MHz \| GSM 1800 / 900 MHz	GSM 1800 / 900 MHz UMTS 2100 MHz \| GSM 1800 / 900 MHz
GPRS
Yes	Yes
EDGE
Yes	Yes
3G
HSDPA , HSUPA	HSDPA , HSUPA
Wi-Fi
Wi-Fi 802.11	Wi-Fi 802.11, b/d/g
Bluetooth
A2DP	Yes
USB Connectivity
No	USB Port, microUSB 2.0
Touch Screen
Capacitive Touchscreen, Multi-touch	Capacitive Touchscreen, Multi-touch
Colours
Black	Black,White
Screen Size
4.0 Inch	4.0 Inch
Screen Resolution
480 x 800 pixels	480 x 800 pixels
Pixel Density (sharpness)
233 ppi	233 ppi
Display Type
LCD	LCD
Box Contents
Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card	Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
Sensors
Accelerometer, Proximity sensor	Accelerometer
GPS
Yes	Yes
OS Type
Android	Android
Brand
Zen	Karbonn
Model
Ultrafone 303 3G	Smart A12 Star
Operating System
Android v4.4.2 (KitKat)	Android v4.4.2 (KitKat)
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
Audio Jack
	3.5 mm
FM Radio
Yes	Yes
Loudspeaker
Yes	Yes
Processor
Dual core, 1 GHz	Dual core, 1.2 GHz
RAM
512 MB	512 MB
Internal Memory
4 GB	4 GB
Expandable Memory
Up to 32 GB	Up to 32 GB