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Karbonn A21
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VS |
Samsung Galaxy S Duos 2 S7582
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VS |
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| Best Price |
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| Price |
Rs. 6,999.00 |
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Rs. 6,799.00 |
| Battery |
| Capacity |
1800 mAH, Li-ion
20.0% more mAH battery than Samsung Galaxy S Duos 2 S7582. More battery capacity reduces the need to charge your battery again. (1800 mAH, Li-ion vs. 1500 mAH, Li-ion)
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1500 mAH, Li-ion
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| TalkTime |
Up to 5 Hours(2G)
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Up to 8 Hours(3G)
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| Stand By Time |
Up to 200 Hours(2G)
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Up to 280 Hours(3G)
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| Camera |
| Main Camera |
5 MP, Auto focus
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5 MP, Auto focus
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| Front Camera |
1.3 MP
333.3% more mega pixels (MP) on front camera than Samsung Galaxy S Duos 2 S7582. 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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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 |
Auto Focus
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Auto Focus
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| Video Recording |
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Video calling
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| Connectivity |
| Operating Frequency |
GSM 1800 / 1900 / 900 MHz UMTS 2100 MHz | GSM 1800 / 1900 / 900 MHz
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GSM 1800 / 1900 / 850 / 900 MHz UMTS 2100 / 900 MHz | GSM 1800 / 1900 / 850 / 900 MHz
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| GPRS |
Yes
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Class 12
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| EDGE |
Yes
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Class 12
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| 3G |
HSDPA 7.2 Mbit/s, HSUPA
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HSDPA 21 Mbit/s, HSUPA 5.76 Mbit/s
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| Wi-Fi |
Wi-Fi 802.11, b/g/n
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Wi-Fi 802.11, b/g/n, Mobile Hotspot
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| Bluetooth |
v2.1, A2DP
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v4.0, A2DP, AVRCP, HFP, HID, HSP, MAP, OPP, PAN, PBAP, SAP
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| USB Connectivity |
USB Port, USB 2.0, microUSB 2.0
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USB Port, USB 2.0, microUSB 2.0
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| Design |
| Touch Screen |
Capacitive Touchscreen, Multi-touch
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Capacitive Touchscreen, Multi-touch
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| Weight |
104 grams
14.0 grams Lighter than Samsung Galaxy S Duos 2 S7582. light weight phone is easy to hold and can kept in your pocket for long time. (104 grams vs. 118 grams)
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118 grams
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| Dimensions |
112 x 60.5 x 11.5 mm
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121.5 x 63.1 x 10.57 mm
0.9 mm Thinner than Samsung Galaxy S Duos 2 S7582. Slim mobile phone is easy to handle and looks gorgeous in hand. (121.5 x 63.1 x 10.57 mm vs. 112 x 60.5 x 11.5 mm)
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| Screen Size |
4.5 Inch
12.5% bigger screen size than Samsung Galaxy S Duos 2 S7582. The bigger the screen size is better the user experience of reading and watching movie or video songs. (4.5 Inch vs. 4.0 Inch)
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4.0 Inch
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| Colours |
Black
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Black,White
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| Display |
| Screen Resolution |
480 x 800 pixels
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400 x 800 pixels
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| Pixel Density (sharpness) |
207 ppi
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224 ppi
8.2% Higher pixel density than Samsung Galaxy S Duos 2 S7582. High pixel density shows sharper text and extremely detailed photos and videos. (224 ppi vs. 207 ppi)
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| Display Type |
TFT
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TFT
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| Features |
| Box Contents |
Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
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| Sensors |
Accelerometer
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Accelerometer, Proximity sensor
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| GPS |
Yes
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with A-GPS
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| General |
| Brand |
Karbonn
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Samsung
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| Model |
A21
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Galaxy S Duos 2
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| Operating System |
Android v4 (Ice Cream Sandwich)
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Android v4.2 (Jelly Bean)
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| SIM Slot(s) |
Dual SIM, GSM+GSM
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Dual SIM, GSM+GSM
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| OS Type |
Android
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Android
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| Multimedia |
| FM Radio |
Yes
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RDS, Stereo FM
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| Loudspeaker |
Yes
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Yes
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| Audio Jack |
3.5 mm
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3.5 mm
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| Performance |
| Processor |
Dual core, 1.2 GHz, Qualcomm Snapdragon
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Dual core, 1.2 GHz
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| RAM |
512 MB
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768 MB
50.0% More RAM memory than Samsung Galaxy S Duos 2 S7582. more RAM makes your mobile significantly faster and efficient. (768 MB vs. 512 MB)
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| Storage |
| Internal Memory |
4 GB
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4 GB
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| Expandable Memory |
Up to 32 GB
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Up to 64 GB
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| Price Comparison |
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