Karbonn K9 Smart vs Karbonn Aura vs Samsung Z1 vs Samsung Galaxy Star 2 comparison
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| key specs |
| Display | 5.00-inch | 5.00-inch | 4.00-inch | 3.50-inch |
| Processor | 1.2GHz quad-core | 1.2GHz quad-core | 1.2GHz dual-core | Spreadtrum SC6815A |
| Front Camera | 1.3-megapixel | 2-megapixel | 0.3-megapixel | No |
| Rear Camera | 3.2-megapixel | 5-megapixel | 3.1-megapixel | 2-megapixel |
| RAM | 512MB | 512MB | 768MB | 512MB |
| Storage | 8GB | 8GB | 4GB | 4GB |
| Battery Capacity | 2300mAh | 2000mAh | 1500mAh | 1300mAh |
| OS | Android 4.4 | Android 4.4 | Tizen 2.3 | Android 4.4 |
| Resolution | 480x854 pixels | - | 480x800 pixels | 320x480 pixels |
| general |
| Brand | Karbonn | Karbonn | Samsung | Samsung |
| Model | K9 Smart | Aura | Z1 | Galaxy Star 2 |
| Release date | January 1, 2016 | July 1, 2015 | January 1, 2015 | August 1, 2014 |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Battery capacity (mAh) | 2300 | 2000 | 1500 | 1300 |
| Removable battery | Yes | No | Yes | Yes |
| Colours | - | Gold | - | White, Iris Charcoal |
| Dimensions (mm) | - | - | 120.40 x 63.20 x 9.70 | 109.80 x 59.90 x 11.80 |
| Weight (g) | - | - | 112.00 | 107.60 |
| display |
| Screen size (inches) | 5.00 | 5.00 | 4.00 | 3.50 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 480x854 pixels | - | 480x800 pixels | 320x480 pixels |
| Pixels per inch (PPI) | - | - | - | 165 |
| hardware |
| Processor | 1.2GHz quad-core | 1.2GHz quad-core | 1.2GHz dual-core | 1GHz one-core |
| RAM | 512MB | 512MB | 768MB | 512MB |
| Internal storage | 8GB | 8GB | 4GB | 4GB |
| Expandable storage | Yes | Yes | Yes | Yes |
| Expandable storage type | microSD | microSD | microSD | microSD |
| Expandable storage up to (GB) | 32 | 32 | 64 | 32 |
| Processor make | - | - | - | Spreadtrum SC6815A |
| camera |
| Rear camera | 3.2-megapixel | 5-megapixel | 3.1-megapixel | 2-megapixel |
| Rear flash | LED | Dual LED | Yes | - |
| Front camera | 1.3-megapixel | 2-megapixel | 0.3-megapixel | No |
| software |
| Operating system | Android 4.4 | Android 4.4 | Tizen 2.3 | Android 4.4 |
| connectivity |
| Wi-Fi | Yes | Yes | Yes | Yes |
| GPS | Yes | Yes | Yes | No |
| Bluetooth | Yes | Yes | Yes, v 4.10 | Yes, v 4.00 |
| NFC | No | No | No | No |
| Infrared | No | No | No | No |
| USB OTG | No | No | No | No |
| Headphones | 3.5mm | 3.5mm | 3.5mm | 3.5mm |
| FM | Yes | Yes | Yes | Yes |
| Number of SIMs | 2 | 1 | 2 | 2 |
| Wi-Fi Direct | No | No | No | No |
| Mobile High-Definition Link (MHL) | No | No | No | No |
| Wi-Fi standards supported | - | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n |
| sim 1 |
| SIM Type | Regular | Regular | - | Regular |
| GSM/CDMA | GSM | GSM | GSM | GSM |
| 3G | Yes | No | Yes | No |
| 4G/ LTE | No | No | No | No |
| sim 2 |
| SIM Type | Regular | - | - | Regular |
| GSM/CDMA | GSM | - | GSM | GSM |
| 3G | No | - | Yes | No |
| 4G/ LTE | No | - | No | No |
| sensors |
| Compass/ Magnetometer | No | No | No | No |
| Proximity sensor | Yes | Yes | No | No |
| Accelerometer | Yes | Yes | Yes | Yes |
| Ambient light sensor | Yes | No | No | No |
| Gyroscope | Yes | No | No | No |
| Barometer | No | No | No | No |
| Temperature sensor | No | No | No | No |