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- Karbonn Alfa 18 vs Karbonn KT21
Karbonn Alfa 18 vs Karbonn KT21 comparison
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| key specs | ||||
| Display | 4.00-inch | 2.80-inch | ||
| Processor | 1.2GHz quad-core | one-core | ||
| Front Camera | 0.3-megapixel | No | ||
| Rear Camera | 2-megapixel | 3.2-megapixel | ||
| RAM | 512MB | - | ||
| Storage | 4GB | - | ||
| Battery Capacity | 1400mAh | 1000mAh | ||
| OS | Android 7.0 | Proprietary | ||
| Resolution | 480x800 pixels | - | ||
| general | ||||
| Brand | Karbonn | Karbonn | ||
| Model | Alfa 18 | KT21 | ||
| Form factor | Touchscreen | Bar | ||
| Dimensions (mm) | 124.50 x 64.50 x 10.60 | - | ||
| Weight (g) | 112.00 | - | ||
| Battery capacity (mAh) | 1400 | 1000 | ||
| Removable battery | No | Yes | ||
| Colours | Champagne, Grey - Gun Metal, Black - Champagne | Black | ||
| Release date | - | March 1, 2012 | ||
| display | ||||
| Screen size (inches) | 4.00 | 2.80 | ||
| Touchscreen | Yes | Yes | ||
| Resolution | 480x800 pixels | - | ||
| hardware | ||||
| Processor | 1.2GHz quad-core | one-core | ||
| RAM | 512MB | - | ||
| Internal storage | 4GB | - | ||
| Expandable storage | Yes | Yes | ||
| Expandable storage type | microSD | microSD | ||
| Expandable storage up to (GB) | 32 | 32 | ||
| camera | ||||
| Rear camera | 2-megapixel | 3.2-megapixel | ||
| Rear flash | Yes | Yes | ||
| Front camera | 0.3-megapixel | No | ||
| software | ||||
| Operating system | Android 7.0 | Proprietary | ||
| connectivity | ||||
| Wi-Fi | Yes | No | ||
| Wi-Fi standards supported | 802.11 b/g/n | - | ||
| GPS | Yes | No | ||
| Bluetooth | Yes | Yes | ||
| NFC | No | No | ||
| Infrared | No | No | ||
| USB OTG | Yes | No | ||
| Headphones | 3.5mm | 3.5mm | ||
| FM | Yes | Yes | ||
| Number of SIMs | 2 | 2 | ||
| Wi-Fi Direct | No | No | ||
| Mobile High-Definition Link (MHL) | No | No | ||
| sim 1 | ||||
| SIM Type | Micro-SIM | Regular | ||
| GSM/CDMA | GSM | GSM | ||
| 3G | Yes | No | ||
| 4G/ LTE | Yes | No | ||
| sim 2 | ||||
| SIM Type | Micro-SIM | Regular | ||
| GSM/CDMA | GSM | GSM | ||
| 3G | Yes | No | ||
| 4G/ LTE | Yes | No | ||
| sensors | ||||
| Compass/ Magnetometer | No | No | ||
| Proximity sensor | Yes | Yes | ||
| Accelerometer | Yes | Yes | ||
| Ambient light sensor | No | No | ||
| Gyroscope | No | No | ||
| Barometer | No | No | ||
| Temperature sensor | No | No | ||
| ratings | ||||
| Overall NDTV Rating | - | Read Review | ||
| Design Rating | - | |||
| Display Rating | - | |||
| Software Rating | - | |||
| Performance Rating | - | |||
| Battery Life Rating | - | |||
| Camera Rating | - | |||
| Value for Money Rating | - | |||
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