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key specs | ||||
Display | 5.70-inch | 5.70-inch | 4.50-inch | |
Processor | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 400 | 1.5GHz dual-core | |
Front Camera | 5-megapixel | 5-megapixel | 1.2-megapixel | |
Rear Camera | 13-megapixel | 13-megapixel | 8.7-megapixel | |
RAM | 1GB | 1GB | 1GB | |
Storage | 8GB | 8GB | 16GB | |
Battery Capacity | 3120mAh | 3000mAh | 2000mAh | |
OS | Windows Phone 8.1 | Windows Phone 8.1 | Windows Phone 8.0 | |
Resolution | 720x1280 pixels | 720x1280 pixels | 768x1280 pixels | |
general | ||||
Brand | Microsoft | Microsoft | Nokia | |
Model | Lumia 640 XL LTE | Lumia 640 XL Dual SIM | Lumia 925 | |
Release date | March 1, 2015 | March 1, 2015 | June 1, 2013 | |
Form factor | Touchscreen | Touchscreen | Bar | |
Dimensions (mm) | 157.90 x 81.50 x 9.00 | 157.90 x 81.50 x 9.00 | 129.00 x 70.60 x 8.50 | |
Weight (g) | 171.00 | 171.00 | 139.00 | |
Battery capacity (mAh) | 3120 | 3000 | 2000 | |
Removable battery | Yes | Yes | No | |
display | ||||
Screen size (inches) | 5.70 | 5.70 | 4.50 | |
Touchscreen | Yes | Yes | Yes | |
Resolution | 720x1280 pixels | 720x1280 pixels | 768x1280 pixels | |
Pixels per inch (PPI) | 259 | 259 | 334 | |
hardware | ||||
Processor | 1.2GHz quad-core | 1.2GHz quad-core | 1.5GHz dual-core | |
Processor make | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 400 | - | |
RAM | 1GB | 1GB | 1GB | |
Internal storage | 8GB | 8GB | 16GB | |
Expandable storage | Yes | Yes | No | |
Expandable storage type | microSD | microSD | - | |
Expandable storage up to (GB) | 128 | 128 | - | |
camera | ||||
Rear camera | 13-megapixel | 13-megapixel | 8.7-megapixel | |
Rear flash | LED | LED | LED | |
Front camera | 5-megapixel | 5-megapixel | 1.2-megapixel | |
software | ||||
Operating system | Windows Phone 8.1 | Windows Phone 8.1 | Windows Phone 8.0 | |
connectivity | ||||
Wi-Fi | Yes | Yes | Yes | |
Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n | 802.11 a/b/g/n | |
GPS | Yes | Yes | Yes | |
Bluetooth | Yes, v 4.00 | Yes, v 4.00 | Yes, v 3.00 | |
NFC | Yes | Yes | Yes | |
Infrared | No | No | No | |
USB OTG | No | No | No | |
Headphones | 3.5mm | 3.5mm | 3.5mm | |
FM | Yes | Yes | Yes | |
Number of SIMs | 1 | 2 | 1 | |
Wi-Fi Direct | No | No | No | |
Mobile High-Definition Link (MHL) | No | No | No | |
sim 1 | ||||
SIM Type | Micro-SIM | Micro-SIM | Micro-SIM | |
GSM/CDMA | GSM | GSM | GSM | |
3G | Yes | Yes | Yes | |
4G/ LTE | Yes | No | Yes | |
sensors | ||||
Compass/ Magnetometer | Yes | Yes | Yes | |
Proximity sensor | Yes | Yes | Yes | |
Accelerometer | Yes | Yes | Yes | |
Ambient light sensor | Yes | Yes | Yes | |
Gyroscope | No | No | Yes | |
Barometer | No | No | No | |
Temperature sensor | No | No | No | |
ratings | ||||
Overall NDTV Rating | - | Read Review | 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 | - |