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key specs | ||||
Display | 4.70-inch | 5.70-inch | ||
Processor | Qualcomm Snapdragon 210 | Qualcomm Snapdragon 400 | ||
Front Camera | 2-megapixel | 5-megapixel | ||
Rear Camera | 5-megapixel | 13-megapixel | ||
RAM | 1GB | 1GB | ||
Storage | 8GB | 8GB | ||
Battery Capacity | 2100mAh | 3000mAh | ||
OS | Windows 10 Mobile | Windows Phone 8.1 | ||
Resolution | 720x1280 pixels | 720x1280 pixels | ||
general | ||||
Brand | Microsoft | Microsoft | ||
Model | Lumia 550 | Lumia 640 XL Dual SIM | ||
Release date | October 1, 2015 | March 1, 2015 | ||
Form factor | Touchscreen | Touchscreen | ||
Dimensions (mm) | 136.10 x 67.80 x 9.90 | 157.90 x 81.50 x 9.00 | ||
Battery capacity (mAh) | 2100 | 3000 | ||
Removable battery | Yes | Yes | ||
Colours | White, Black | - | ||
Weight (g) | - | 171.00 | ||
display | ||||
Screen size (inches) | 4.70 | 5.70 | ||
Touchscreen | Yes | Yes | ||
Resolution | 720x1280 pixels | 720x1280 pixels | ||
Pixels per inch (PPI) | 315 | 259 | ||
hardware | ||||
Processor | 1.1GHz quad-core | 1.2GHz quad-core | ||
Processor make | Qualcomm Snapdragon 210 | Qualcomm Snapdragon 400 | ||
RAM | 1GB | 1GB | ||
Internal storage | 8GB | 8GB | ||
Expandable storage | Yes | Yes | ||
Expandable storage type | microSD | microSD | ||
Expandable storage up to (GB) | 200 | 128 | ||
camera | ||||
Rear camera | 5-megapixel | 13-megapixel | ||
Rear flash | LED | LED | ||
Front camera | 2-megapixel | 5-megapixel | ||
software | ||||
Operating system | Windows 10 Mobile | Windows Phone 8.1 | ||
connectivity | ||||
Wi-Fi | Yes | Yes | ||
Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n | ||
GPS | Yes | Yes | ||
Bluetooth | Yes, v 4.10 | Yes, v 4.00 | ||
NFC | No | Yes | ||
Infrared | No | No | ||
USB OTG | No | No | ||
Headphones | 3.5mm | 3.5mm | ||
FM | Yes | Yes | ||
Number of SIMs | 1 | 2 | ||
Wi-Fi Direct | Yes | No | ||
Mobile High-Definition Link (MHL) | No | No | ||
sim 1 | ||||
SIM Type | Nano-SIM | Micro-SIM | ||
GSM/CDMA | GSM | GSM | ||
3G | Yes | Yes | ||
4G/ LTE | Yes | No | ||
sensors | ||||
Compass/ Magnetometer | No | Yes | ||
Proximity sensor | Yes | Yes | ||
Accelerometer | Yes | Yes | ||
Ambient light sensor | Yes | Yes | ||
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 | - | |||
sim 2 | ||||
SIM Type | - | Micro-SIM | ||
GSM/CDMA | - | GSM | ||
3G | - | Yes | ||
4G/ LTE | - | No |