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key specs | ||||
Display | 5.00-inch | 5.70-inch | 4.00-inch | 4.50-inch |
Processor | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 200 | 1.3GHz quad-core |
Front Camera | 0.9-megapixel | 5-megapixel | 0.3-megapixel | 2-megapixel |
Rear Camera | 8-megapixel | 13-megapixel | 5-megapixel | 5-megapixel |
RAM | 1GB | 1GB | 1GB | 1GB |
Storage | 8GB | 8GB | 8GB | 8GB |
Battery Capacity | 2500mAh | 3000mAh | 1560mAh | 2000mAh |
OS | Windows Phone 8.1 | Windows Phone 8.1 | Windows Phone 8.1 | Android 4.4 |
Resolution | 720x1280 pixels | 720x1280 pixels | 480x800 pixels | 480x800 pixels |
general | ||||
Brand | Microsoft | Microsoft | Microsoft | Samsung |
Model | Lumia 640 | Lumia 640 XL Dual SIM | Lumia 532 | Galaxy Core Prime |
Release date | February 1, 2015 | March 1, 2015 | February 1, 2015 | - |
Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
Dimensions (mm) | 141.30 x 72.20 x 8.80 | 157.90 x 81.50 x 9.00 | 118.90 x 65.50 x 11.60 | 130.80 x 67.90 x 8.80 |
Weight (g) | 145.00 | 171.00 | 136.30 | 130.00 |
Battery capacity (mAh) | 2500 | 3000 | 1560 | 2000 |
Removable battery | Yes | Yes | Yes | Yes |
Colours | - | - | Bright Orange, Bright Green, White, Black | White |
display | ||||
Screen size (inches) | 5.00 | 5.70 | 4.00 | 4.50 |
Touchscreen | Yes | Yes | Yes | Yes |
Resolution | 720x1280 pixels | 720x1280 pixels | 480x800 pixels | 480x800 pixels |
Pixels per inch (PPI) | 294 | 259 | 233 | 207 |
hardware | ||||
Processor | 1.2GHz quad-core | 1.2GHz quad-core | 1.2GHz quad-core | 1.3GHz quad-core |
Processor make | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 200 | - |
RAM | 1GB | 1GB | 1GB | 1GB |
Internal storage | 8GB | 8GB | 8GB | 8GB |
Expandable storage | Yes | Yes | Yes | Yes |
Expandable storage type | microSD | microSD | microSD | microSD |
Expandable storage up to (GB) | 128 | 128 | 128 | 64 |
camera | ||||
Rear camera | 8-megapixel | 13-megapixel | 5-megapixel | 5-megapixel |
Rear flash | LED | LED | - | LED |
Front camera | 0.9-megapixel | 5-megapixel | 0.3-megapixel | 2-megapixel |
software | ||||
Operating system | Windows Phone 8.1 | Windows Phone 8.1 | Windows Phone 8.1 | Android 4.4 |
connectivity | ||||
Wi-Fi | Yes | Yes | Yes | Yes |
Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n |
GPS | Yes | Yes | Yes | Yes |
Bluetooth | Yes | Yes, v 4.00 | Yes, v 4.00 | Yes, v 4.00 |
NFC | No | Yes | No | No |
Infrared | No | No | No | No |
USB OTG | No | No | No | No |
Headphones | 3.5mm | 3.5mm | 3.5mm | 3.5mm |
FM | No | Yes | Yes | Yes |
Number of SIMs | 1 | 2 | 1 | 2 |
Wi-Fi Direct | No | No | No | Yes |
Mobile High-Definition Link (MHL) | No | No | No | No |
sim 1 | ||||
SIM Type | Micro-SIM | Micro-SIM | Micro-SIM | Regular |
GSM/CDMA | GSM | GSM | GSM | GSM |
3G | Yes | Yes | Yes | Yes |
4G/ LTE | No | No | No | No |
sensors | ||||
Compass/ Magnetometer | Yes | Yes | No | No |
Proximity sensor | Yes | Yes | Yes | Yes |
Accelerometer | Yes | Yes | Yes | Yes |
Ambient light sensor | Yes | Yes | Yes | Yes |
Gyroscope | No | No | No | No |
Barometer | No | No | No | No |
Temperature sensor | No | 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 | - | Micro-SIM | - | - |
GSM/CDMA | - | GSM | - | GSM |
3G | - | Yes | - | No |
4G/ LTE | - | No | - | No |