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key specs | ||||
Display | 4.00-inch | 4.00-inch | 5.00-inch | |
Processor | 1.1GHz quad-core | Spreadtrum SC9832A | 1.2GHz quad-core | |
Front Camera | 2-megapixel | 0.3-megapixel | 1.3-megapixel | |
Rear Camera | 3.2-megapixel | 2-megapixel | 3.2-megapixel | |
RAM | 1GB | 1GB | 512MB | |
Storage | 8GB | 8GB | 8GB | |
Battery Capacity | 1500mAh | 1400mAh | 2300mAh | |
OS | Android 7.0 | Android 7.0 | Android 4.4 | |
Resolution | 480x800 pixels | 480x800 pixels | 480x854 pixels | |
general | ||||
Brand | Karbonn | Karbonn | Karbonn | |
Model | A1 Indian | A40 Indian | K9 Smart | |
Release date | November 1, 2017 | July 1, 2017 | January 1, 2016 | |
Form factor | Touchscreen | Touchscreen | Touchscreen | |
Dimensions (mm) | 124.00 x 62.20 x 10.10 | 122.95 x 64.30 x 10.50 | - | |
Weight (g) | 116.00 | 118.00 | - | |
Battery capacity (mAh) | 1500 | 1400 | 2300 | |
Removable battery | Yes | Yes | Yes | |
Colours | Midnight Blue, Champagne, Black | Blue, Coffee Brown, Black, Champagne | - | |
SAR value | - | 1.39 | - | |
display | ||||
Screen size (inches) | 4.00 | 4.00 | 5.00 | |
Touchscreen | Yes | Yes | Yes | |
Resolution | 480x800 pixels | 480x800 pixels | 480x854 pixels | |
hardware | ||||
Processor | 1.1GHz quad-core | 1.3GHz quad-core | 1.2GHz quad-core | |
RAM | 1GB | 1GB | 512MB | |
Internal storage | 8GB | 8GB | 8GB | |
Expandable storage | Yes | Yes | Yes | |
Expandable storage type | microSD | microSD | microSD | |
Expandable storage up to (GB) | 32 | 32 | 32 | |
Processor make | - | Spreadtrum SC9832A | - | |
camera | ||||
Rear camera | 3.2-megapixel | 2-megapixel | 3.2-megapixel | |
Rear flash | Yes | Yes | LED | |
Front camera | 2-megapixel | 0.3-megapixel | 1.3-megapixel | |
software | ||||
Operating system | Android 7.0 | Android 7.0 | Android 4.4 | |
connectivity | ||||
Wi-Fi | Yes | Yes | Yes | |
Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n | - | |
GPS | Yes | No | Yes | |
Bluetooth | Yes | Yes, v 4.00 | Yes | |
NFC | No | No | No | |
Infrared | No | No | No | |
USB OTG | Yes | No | No | |
Headphones | 3.5mm | 3.5mm | 3.5mm | |
FM | Yes | Yes | Yes | |
Number of SIMs | 2 | 2 | 2 | |
Wi-Fi Direct | No | No | No | |
Mobile High-Definition Link (MHL) | No | No | No | |
sim 1 | ||||
SIM Type | Micro-SIM | Regular | Regular | |
GSM/CDMA | GSM | GSM | GSM | |
3G | Yes | Yes | Yes | |
4G/ LTE | Yes | Yes | No | |
sim 2 | ||||
SIM Type | Micro-SIM | Regular | Regular | |
GSM/CDMA | GSM | GSM | GSM | |
3G | Yes | Yes | No | |
4G/ LTE | Yes | Yes | No | |
sensors | ||||
Compass/ Magnetometer | No | No | No | |
Proximity sensor | Yes | Yes | Yes | |
Accelerometer | Yes | Yes | Yes | |
Ambient light sensor | No | No | Yes | |
Gyroscope | No | No | Yes | |
Barometer | No | No | No | |
Temperature sensor | No | 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 | - | - |