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Zen U4
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VS |
Karbonn A21
|
|
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VS |
|
| Best Price |
|
| Price |
Rs. 5,999.00 |
|
Rs. 6,999.00 |
| Battery |
| Capacity |
1500 mAH, Li-ion
|
|
1800 mAH, Li-ion
20.0% more mAH battery than Karbonn A21. More battery capacity reduces the need to charge your battery again. (1800 mAH, Li-ion vs. 1500 mAH, Li-ion)
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| TalkTime |
Up to 6 Hours(2G)
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Up to 5 Hours(2G)
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| Stand By Time |
|
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Up to 200 Hours(2G)
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| Camera |
| Main Camera |
3.2 MP
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|
5 MP, Auto focus
56.3% more mega pixels (MP) on main camera than Karbonn A21. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (5 MP, Auto focus vs. 3.2 MP)
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| Front Camera |
0.3 MP
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|
1.3 MP
333.3% more mega pixels (MP) on front camera than Karbonn A21. 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)
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| Flash |
,LED
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|
LED
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| Zoom |
Digital Zoom
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Digital Zoom
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| Camera Features |
Smile detection, Scenes, Continuos Shooting, Multi Shot
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|
Auto Focus
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| Connectivity |
| Operating Frequency |
|
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GSM 1800 / 1900 / 900 MHz UMTS 2100 MHz | GSM 1800 / 1900 / 900 MHz
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| GPRS |
Yes
|
|
Yes
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| EDGE |
Yes
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Yes
|
| 3G |
EV-DO , Rev.A
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HSDPA 7.2 Mbit/s, HSUPA
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| Wi-Fi |
Wi-Fi 802.11, Mobile Hotspot
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Wi-Fi 802.11, b/g/n
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| Bluetooth |
v2.0, A2DP
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v2.1, A2DP
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| USB Connectivity |
USB Port
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|
USB Port, USB 2.0, microUSB 2.0
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| Design |
| Touch Screen |
Yes
|
|
Capacitive Touchscreen, Multi-touch
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| Weight |
90 grams
14.0 grams Lighter than Karbonn A21. light weight phone is easy to hold and can kept in your pocket for long time. (90 grams vs. 104 grams)
|
|
104 grams
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| Dimensions |
130 x 67 x 10 mm
1.5 mm Thinner than Karbonn A21. Slim mobile phone is easy to handle and looks gorgeous in hand. (130 x 67 x 10 mm vs. 112 x 60.5 x 11.5 mm)
|
|
112 x 60.5 x 11.5 mm
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| Colours |
Black
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|
Black
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| Screen Size |
4.3 Inch
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|
4.5 Inch
4.7% bigger screen size than Karbonn A21. The bigger the screen size is better the user experience of reading and watching movie or video songs. (4.5 Inch vs. 4.3 Inch)
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| Display |
| Screen Resolution |
480 x 800 pixels
|
|
480 x 800 pixels
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| Pixel Density (sharpness) |
217 ppi
4.8% Higher pixel density than Karbonn A21. High pixel density shows sharper text and extremely detailed photos and videos. (217 ppi vs. 207 ppi)
|
|
207 ppi
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| Display Type |
LCD
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|
TFT
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| Features |
| Box Contents |
Handset, Battery, Charger, Earphone, User Manual, Data cable
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Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
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| GPS |
|
|
Yes
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| Sensors |
Accelerometer
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|
Accelerometer
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| General |
| OS Type |
Android
|
|
Android
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| Brand |
Zen
|
|
Karbonn
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| Model |
U4
|
|
A21
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| Operating System |
Android v2.3 (Gingerbread)
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Android v4 (Ice Cream Sandwich)
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| SIM Slot(s) |
Dual SIM, GSM+GSM
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Dual SIM, GSM+GSM
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| Multimedia |
| Loudspeaker |
|
|
Yes
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| Audio Jack |
|
|
3.5 mm
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| FM Radio |
Yes
|
|
Yes
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| Performance |
| Processor |
|
|
Dual core, 1.2 GHz, Qualcomm Snapdragon
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| RAM |
256 MB
|
|
512 MB
100.0% More RAM memory than Karbonn A21. more RAM makes your mobile significantly faster and efficient. (512 MB vs. 256 MB)
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| Storage |
| Internal Memory |
512 MB
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|
4 GB
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| Expandable Memory |
Up to 32 GB
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Up to 32 GB
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| Price Comparison |
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Compare Price
|
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