Price |
Rs. 2,650.00
|
Rs. 3,309.00
|
Capacity |
1100 mAH, Li-ion
|
1500 mAH, Li-ion
36.4% more mAH battery than Zen Ultrafone 308. More battery capacity reduces the need to charge your battery again. (1500 mAH, Li-ion vs. 1100 mAH, Li-ion)
|
Main Camera |
3.2 MP
|
3.2 MP
|
Front Camera |
0.3 MP
|
1.3 MP
333.3% more mega pixels (MP) on front camera than Zen Ultrafone 308. 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)
|
Flash |
LED
|
|
Zoom |
Digital Zoom
|
Digital Zoom
|
Camera Features |
Geo tagging
|
|
Operating Frequency |
GSM 1800 / 900 MHz | GSM 1800 / 900 MHz
|
GSM 1800 / 900 MHz UMTS 2100 / 900 MHz | GSM 1800 / 900 MHz
|
GPRS |
Class 12
|
Yes
|
EDGE |
Class 12
|
Yes
|
Wi-Fi |
Wi-Fi 802.11, b/g/n
|
Wi-Fi 802.11
|
Bluetooth |
v3.0
|
Yes
|
USB Connectivity |
USB Port, microUSB 2.0
|
USB Port
|
3G |
|
HSDPA , HSUPA
|
Colours |
Black,White
|
Black
|
Touch Screen |
Capacitive Touchscreen
|
Capacitive Touchscreen
|
Dimensions |
132 x 67.5 x 9.25 mm
|
|
Screen Size |
3.5 Inch
|
3.5 Inch
|
Screen Resolution |
320 x 480 pixels
|
320 x 480 pixels
|
Pixel Density (sharpness) |
165 ppi
|
165 ppi
|
Display Type |
TFT
|
TFT
|
Box Contents |
Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
|
Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
|
Sensors |
Accelerometer
|
Accelerometer
|
OS Type |
Android
|
Android
|
Brand |
Karbonn
|
Zen
|
Model |
Smart A51
|
Ultrafone 308
|
Operating System |
Android v4.0.4 (Ice Cream Sandwich)
|
Android v4.2.2 (Jelly Bean)
|
SIM Slot(s) |
Dual SIM, GSM+GSM
|
Dual SIM, GSM+GSM
|
FM Radio |
Yes
|
|
Loudspeaker |
Yes
|
Yes
|
Audio Jack |
3.5 mm
|
|
Processor |
1 GHz
|
1 GHz
|
RAM |
256 MB
|
256 MB
|
Internal Memory |
100 MB
|
512 MB
|
Expandable Memory |
Up to 32 GB
|
Up to 32 GB
|
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