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Nokia N91 WCDMA
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VS |
Karbonn A21
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VS |
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| Best Price |
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| Price |
Not Available |
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Rs. 6,999.00 |
| Battery |
| Capacity |
900 mAH, Li-ion
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1800 mAH, Li-ion
100.0% more mAH battery than Karbonn A21. More battery capacity reduces the need to charge your battery again. (1800 mAH, Li-ion vs. 900 mAH, Li-ion)
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| TalkTime |
Up to 4 Hours(2G) / Up to 3 Hours(3G)
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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 |
| Front Camera |
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1.3 MP
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| Flash |
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LED
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| Camera Features |
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Auto Focus
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| Main Camera |
2 MP
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5 MP, Auto focus
150.0% 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. 2 MP)
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| Zoom |
Digital Zoom
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Digital Zoom
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| Connectivity |
| Java |
MIDP 2.0
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| Browser |
VoIP
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| GPRS |
Class 10, 32 - 48 kbps kbps
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Yes
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| EDGE |
Class 10, 236.8 kbps
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Yes
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| 3G |
Yes
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HSDPA 7.2 Mbit/s, HSUPA
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| Wi-Fi |
Wi-Fi 802.11, b/g
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Wi-Fi 802.11, b/g/n
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| Bluetooth |
v1.2, A2DP
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v2.1, A2DP
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| USB Connectivity |
No
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USB Port, USB 2.0, microUSB 2.0
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| Operating Frequency |
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GSM 1800 / 1900 / 900 MHz UMTS 2100 MHz | GSM 1800 / 1900 / 900 MHz
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| Design |
| Touch Screen |
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Capacitive Touchscreen, Multi-touch
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| Weight |
164 grams
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104 grams
60.0 grams Lighter than Karbonn A21. light weight phone is easy to hold and can kept in your pocket for long time. (104 grams vs. 164 grams)
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| Dimensions |
113.1 x 55.2 x 22 mm
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112 x 60.5 x 11.5 mm
10.5 mm Thinner than Karbonn A21. Slim mobile phone is easy to handle and looks gorgeous in hand. (112 x 60.5 x 11.5 mm vs. 113.1 x 55.2 x 22 mm)
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| Screen Size |
2.1 Inch
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4.5 Inch
114.3% 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. 2.1 Inch)
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| Colours |
Light Blue Chrome,Dark Gray Chrome,Black (Music Edition)
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Black
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| Display |
| Video Player |
Video Formats: 3GPP, H.263, MPEG4, RealVideo
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| Screen Resolution |
176 x 208 pixels
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480 x 800 pixels
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| Pixel Density (sharpness) |
130 ppi
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207 ppi
59.2% Higher pixel density than Karbonn A21. High pixel density shows sharper text and extremely detailed photos and videos. (207 ppi vs. 130 ppi)
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| Display Type |
LCD
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TFT
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| Features |
| Box Contents |
Nokia N91 phone, Nokia Battery BL-5C, Nokia Travel Charger AC-4, Nokia Music Headset HS-28 (with remote control), Nokia Stereo Audio Cable CA-63U, Nokia Connectivity Cable (USB) DKE-2, Nokia Charger Adapter Cable CA-44, Nokia Desk Stand DT-10, CD-ROM containing software (PC Suite and other applications), User guide, Quick Start guide, and Add-on Application guide
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Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
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| Sensors |
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Accelerometer
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| Other Features |
5-way configurable navigation key, T9, Voice dial, Voice memo, Organizer
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| GPS |
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Yes
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| Games |
| Games |
Java Games + Downloadable
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| General |
| Brand |
Nokia
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Karbonn
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| Model |
N91 WCDMA
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A21
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| Operating System |
Symbian
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Android v4 (Ice Cream Sandwich)
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| SIM Slot(s) |
Single SIM, GSM
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Dual SIM, GSM+GSM
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| OS Type |
Symbian
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Android
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| Mesagging |
| SMS |
Yes
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| MMS |
MMS Storage 300 KB
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| Email |
SMTP, POP3, IMAP4, APOP
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| Multimedia |
| FM Radio |
Stereo FM, Visual Radio
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Yes
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| Music |
Music Formats: Music Formats : MP3, AAC, AAC+, eAAC+, Real, WAV, WMA, M4A, AMR-WB, True Tones, AMR-NB
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| Audio Jack |
3.5 mm
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3.5 mm
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| Loudspeaker |
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Yes
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| Performance |
| Processor |
220 MHz
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Dual core, 1.2 GHz, Qualcomm Snapdragon
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| RAM |
64 MB
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512 MB
700.0% More RAM memory than Karbonn A21. more RAM makes your mobile significantly faster and efficient. (512 MB vs. 64 MB)
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| Storage |
| Internal Memory |
8 GB
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4 GB
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| Expandable Memory |
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Up to 32 GB
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| Price Comparison |
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