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key specs | ||||
Display | 4.00-inch | 4.70-inch | 5.90-inch | |
Processor | 1.2GHz dual-core | Qualcomm Snapdragon 400 | 1GHz dual-core | |
Front Camera | 1.3-megapixel | 1.6-megapixel | 1.3-megapixel | |
Rear Camera | 3-megapixel | 8-megapixel | 8-megapixel | |
RAM | 512MB | 1GB | 512MB | |
Storage | 4GB | 8GB | 4GB | |
Battery Capacity | 1350mAh | 2000mAh | 2500mAh | |
OS | Android 4.4 | Android 4.3 | Android 4 | |
Resolution | 480x800 pixels | 720x1280 pixels | 480x800 pixels | |
general | ||||
Brand | Adcom | Xiaomi | Karbonn | |
Model | Thunder A440+ | Redmi 1S | A30 | |
Release date | September 1, 2014 | July 1, 2014 | December 1, 2012 | |
Form factor | Touchscreen | Touchscreen | - | |
Thickness | 8.8 | - | - | |
Weight (g) | 135.00 | 158.00 | 280.00 | |
Battery capacity (mAh) | 1350 | 2000 | 2500 | |
Removable battery | No | Yes | Yes | |
Colours | Black, White, Pink, Yellow | grey | - | |
Dimensions (mm) | - | 137.00 x 69.00 x 9.90 | 166.00 x 91.00 x 10.70 | |
display | ||||
Screen size (inches) | 4.00 | 4.70 | 5.90 | |
Touchscreen | Yes | Yes | Yes | |
Resolution | 480x800 pixels | 720x1280 pixels | 480x800 pixels | |
Pixels per inch (PPI) | - | 312 | - | |
hardware | ||||
Processor | 1.2GHz dual-core | 1.6GHz quad-core | 1GHz dual-core | |
RAM | 512MB | 1GB | 512MB | |
Internal storage | 4GB | 8GB | 4GB | |
Expandable storage | Yes | Yes | Yes | |
Expandable storage type | microSD | microSD | microSD | |
Expandable storage up to (GB) | 32 | 64 | 32 | |
Processor make | - | Qualcomm Snapdragon 400 (MSM8228) | - | |
camera | ||||
Rear camera | 3-megapixel | 8-megapixel | 8-megapixel | |
Rear flash | Yes | LED | Yes | |
Front camera | 1.3-megapixel | 1.6-megapixel | 1.3-megapixel | |
software | ||||
Operating system | Android 4.4 | Android 4.3 | Android 4 | |
Skin | - | MIUI version 5 | - | |
connectivity | ||||
Wi-Fi | Yes | Yes | Yes | |
Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n | - | |
GPS | No | Yes | Yes | |
Bluetooth | Yes | Yes, v 4.00 | Yes | |
NFC | No | No | No | |
Infrared | No | No | No | |
USB OTG | No | No | No | |
Headphones | 3.5mm | 3.5mm | - | |
FM | Yes | Yes | No | |
Number of SIMs | 1 | 2 | 2 | |
Wi-Fi Direct | No | Yes | No | |
Mobile High-Definition Link (MHL) | No | No | No | |
sim 1 | ||||
SIM Type | Regular | Regular | Regular | |
GSM/CDMA | GSM | GSM | GSM | |
3G | Yes | Yes | Yes | |
4G/ LTE | No | No | No | |
sensors | ||||
Compass/ Magnetometer | No | Yes | No | |
Proximity sensor | Yes | Yes | No | |
Accelerometer | No | Yes | No | |
Ambient light sensor | No | Yes | No | |
Gyroscope | No | Yes | No | |
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 | - | - | ||
sim 2 | ||||
SIM Type | - | Regular | Regular | |
GSM/CDMA | - | GSM | GSM | |
3G | - | No | No | |
4G/ LTE | - | No | No |