| Name | Karbonn A21
 | Karbonn A11
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| Processor: | 1.2 GHz Qualcomm Scorpion Dual Core | 1 GHz Processor |
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| GPU: | No GPU | No GPU |
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| Operating System: | Android | Android |
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| Operating System Version: | Ice Cream Sandwich (4.0) | Ice Cream Sandwich (4.0) |
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| Sensors: | Light Sensor, 3D G-Sensor and Proximity Sensor | G-Sensor, Proximity Sensor, Magnetic Sensor and Light Sensor |
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| Manufacturer: | Karbonn | Karbonn |
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| Series Name: | Karbonn A | Karbonn A |
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| Dimensions: | N/A | N/A |
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| Weight: | 130g | 130g |
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| Camera Type: | Dual Camera | Dual Camera |
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| Front Camera: | 1.3 Mega Pixels | 0.3 Mega Pixels |
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| Back Camera: | 5 Mega Pixels | 5.0 Mega Pixels |
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| Camera features: | 2592 x 1944 pixels resolution, HD images, LED Flash, Auto Focus, Face Detection, Digital Zooming etc. | 2592 x 1944 pixels resolution, JPEG, JPG, BMP, GIF, PNG images, Digital Zooming, Face Detection and Burst Mode options. |
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| Video Camera features: | Camera can capture videos in MP4, H.263, H.264, AVI and 3GP formats. | Camera can capture videos in MP4, 3GP, AVI, H.263 and H.264 formats. |
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| RAM: | 1GB | 512 MB |
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| External Memory: | Up to 32 GB | Up to 32 GB |
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| Internal Storage: | 4 GB Storage | 4 GB Storage |
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| Screen Size: | 480 x 800 px | 4 Inches |
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| Display: | 4.5 inches TFT Capacitive Touchscreen | TFT Capacitive Multi-Touch Screen, 480 x 800 pixels resolution |
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| Ports: | USB 2.0 | USB 2.0 |
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| Battery Type: | 1800 mAh | Li-Ion 1500mAh |
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| Battery (Talk Time): | 5 hours (2G) and 8 hours (3G) | Up to 5 hours |
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| Battery (Standby Time): | 200 hours (2G) and 290 hours (3G) | Up to 200 hours |
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| Audio: | MIDI, WAV and MP3 | MP3, MIDI, WAV, AMR, AAC and AAC+ formats |
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| Video: | MP4, AVI, 3GP, H.263 and H.264 | MP4, 3GP, AVI, H.263 and H.264 formats |
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| Accessories: | | N/A |
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| Network: | 2G - GSM 850 / 900 / 1800 / 1900, 3G - HSDPA 850 / 1900 / 2100 | 2G - Dualband (GSM 900/1800), 3G - WCDMA 2100MHZ |
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| Connectivity: | 3G - HSDPA, 7.2 Mbps, Wi-Fi - 802.11 b/g/n, EDGE and A-GPS with Google Maps | 3G - HSDPA, 7.2 Mbps, Wi-Fi - 802.11 b/g/n, EDGE and A-GPS with Google Maps |
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| Bluetooth: | v2.1 | v4.0 with A2DP |
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| GPRS: | Yes | Yes |
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| Available Colors: | Pearl White | Black and White |
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| Announced/Launched Date: | September 2012 | October 2012 |
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| Built-in Apps: | Gmail, Twitter, Google Search, Google Play, Skype, Google Talk, Yahoo Messenger, Flickr, Picasa, Facebook, PayTM, NexGTv, WhatsApp, Mobile TV and Google Currents | Yahoo Messenger, Google Talk, Pre-Embedded Applications, Google Search, Facebook, WhatsApp Messenger, PayTM, Gmail, Picasa, Flickr, and Twitter apps. |
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| SIM Card Type: | Regular SIM | Regular SIM |
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| SIM Slots: | Dual SIM | Dual SIM |
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| Category: | Mid range Smartphone | Mid range Smartphone |
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| Price Range: | US$100 to US$199 | US$100 to US$199 |
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| Read Karbonn A21 reviews. | Read Karbonn A11 reviews. |
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| Compare Karbonn A21:
HTC 8XSamsung Galaxy S DUOSSamsung Galaxy Note IINokia Lumia 920Samsung Galaxy Victory Lenovo S880LG Optimus L5 E612LG Optimus L7 P705SONY Xperia USony Xperia PSony Ericsson Xperia ARC S LT18iNokia Lumia 810LG Optimus L9 P765LG E730Apple's iPhone 4SLava XOLO A700Karbonn A11Micromax A116 Canvas HDIntex Aqua StyleSamsung Galaxy S II plusSamsung Galaxy Grand Duos GT-i9082EWASony Xperia tipo dualSamsung Galaxy Fame S6810BLU Quattro 4.5 HDLava XOLO A1000 | Compare Karbonn A11:
HTC 8XSamsung Galaxy S DUOSSamsung Galaxy Note IINokia Lumia 920Samsung Galaxy Victory Lenovo S880LG Optimus L5 E612LG Optimus L7 P705SONY Xperia USony Xperia PSony Ericsson Xperia ARC S LT18iNokia Lumia 810LG Optimus L9 P765LG E730Apple's iPhone 4SLava XOLO A700Karbonn A21Micromax A116 Canvas HDIntex Aqua StyleSamsung Galaxy S II plusSamsung Galaxy Grand Duos GT-i9082EWASony Xperia tipo dualSamsung Galaxy Fame S6810BLU Quattro 4.5 HDLava XOLO A1000 |