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key specs | ||||
Display | 4.70-inch | 4.70-inch | 5.00-inch | |
Processor | Qualcomm Snapdragon 210 | Samsung Exynos 3475 | Qualcomm Snapdragon 610 | |
Front Camera | 2-megapixel | 2-megapixel | 8-megapixel | |
Rear Camera | 5-megapixel | 5-megapixel | 16-megapixel | |
RAM | 1GB | 1GB | 2GB | |
Storage | 8GB | 8GB | 16GB | |
Battery Capacity | 2100mAh | 2000mAh | 2900mAh | |
OS | Windows 10 Mobile | Android 5.1 | Android 5.0.2 | |
Resolution | 720x1280 pixels | 540x960 pixels | 1080x1920 pixels | |
general | ||||
Brand | Microsoft | Samsung | Nubia | |
Model | Lumia 550 | Galaxy J2 | Z9 mini | |
Release date | October 1, 2015 | September 1, 2015 | March 1, 2015 | |
Form factor | Touchscreen | Touchscreen | Touchscreen | |
Dimensions (mm) | 136.10 x 67.80 x 9.90 | 136.50 x 69.00 x 8.40 | 141.30 x 69.80 x 8.20 | |
Battery capacity (mAh) | 2100 | 2000 | 2900 | |
Removable battery | Yes | Yes | No | |
Colours | White, Black | Black, White, Gold | black | |
Launched in India | - | Yes | - | |
Weight (g) | - | - | 147.00 | |
display | ||||
Screen size (inches) | 4.70 | 4.70 | 5.00 | |
Touchscreen | Yes | Yes | Yes | |
Resolution | 720x1280 pixels | 540x960 pixels | 1080x1920 pixels | |
Pixels per inch (PPI) | 315 | 234 | 441 | |
Aspect ratio | - | 16:9 | - | |
hardware | ||||
Processor | 1.1GHz quad-core | 1.3GHz quad-core | 1.5GHz octa-core | |
Processor make | Qualcomm Snapdragon 210 | Samsung Exynos 3475 | Qualcomm Snapdragon 610 | |
RAM | 1GB | 1GB | 2GB | |
Internal storage | 8GB | 8GB | 16GB | |
Expandable storage | Yes | Yes | Yes | |
Expandable storage type | microSD | microSD | microSD | |
Expandable storage up to (GB) | 200 | 128 | 128 | |
camera | ||||
Rear camera | 5-megapixel | 5-megapixel (f/2.2) | 16-megapixel | |
Rear flash | LED | LED | LED | |
Front camera | 2-megapixel | 2-megapixel (f/2.2) | 8-megapixel | |
Rear autofocus | - | Yes | - | |
software | ||||
Operating system | Windows 10 Mobile | Android 5.1 | Android 5.0.2 | |
Skin | - | - | Nubia UI 2.8 | |
connectivity | ||||
Wi-Fi | Yes | Yes | Yes | |
Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n/ac | |
GPS | Yes | Yes | Yes | |
Bluetooth | Yes, v 4.10 | Yes, v 4.10 | Yes, v 4.00 | |
NFC | No | No | No | |
Infrared | No | No | No | |
USB OTG | No | Yes | Yes | |
Headphones | 3.5mm | 3.5mm | 3.5mm | |
FM | Yes | Yes | Yes | |
Number of SIMs | 1 | 2 | 2 | |
Wi-Fi Direct | Yes | Yes | Yes | |
Mobile High-Definition Link (MHL) | No | No | No | |
sim 1 | ||||
SIM Type | Nano-SIM | Micro-SIM | Nano-SIM | |
GSM/CDMA | GSM | GSM | GSM | |
3G | Yes | Yes | Yes | |
4G/ LTE | Yes | Yes | Yes | |
sensors | ||||
Compass/ Magnetometer | No | No | No | |
Proximity sensor | Yes | Yes | Yes | |
Accelerometer | Yes | Yes | Yes | |
Ambient light sensor | Yes | No | Yes | |
Gyroscope | No | No | No | |
Barometer | No | No | No | |
Temperature sensor | No | No | No | |
sim 2 | ||||
SIM Type | - | Micro-SIM | Nano-SIM | |
GSM/CDMA | - | GSM | GSM | |
3G | - | No | Yes | |
4G/ LTE | - | 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 | - | - |