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key specs | ||||
Display | 5.00-inch | 4.00-inch | 5.00-inch | |
Processor | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 200 | Qualcomm Snapdragon 200 | |
Front Camera | 0.9-megapixel | 0.3-megapixel | 5-megapixel | |
Rear Camera | 8-megapixel | 2-megapixel | 5-megapixel | |
RAM | 1GB | 1GB | 1GB | |
Storage | 8GB | 8GB | 8GB | |
Battery Capacity | 2500mAh | 1560mAh | 1905mAh | |
OS | Windows Phone 8.1 | Windows Phone 8.1 | Windows 8.1 | |
Resolution | 720x1280 pixels | 480x800 pixels | 540x960 pixels | |
general | ||||
Brand | Microsoft | Microsoft | Microsoft | |
Model | Lumia 640 | Lumia 435 Dual SIM | Lumia 535 Dual SIM | |
Release date | February 1, 2015 | January 1, 2015 | November 1, 2014 | |
Form factor | Touchscreen | Touchscreen | Touchscreen | |
Dimensions (mm) | 141.30 x 72.20 x 8.80 | - | 140.20 x 72.40 x 8.80 | |
Weight (g) | 145.00 | - | 146.00 | |
Battery capacity (mAh) | 2500 | 1560 | 1905 | |
Removable battery | Yes | Yes | Yes | |
Colours | - | Bright Green, Bright Orange, White, Black | cyan, bright green, white, black, bright orange | |
SAR value | - | - | 0.54 | |
display | ||||
Screen size (inches) | 5.00 | 4.00 | 5.00 | |
Touchscreen | Yes | Yes | Yes | |
Resolution | 720x1280 pixels | 480x800 pixels | 540x960 pixels | |
Pixels per inch (PPI) | 294 | 233 | 220 | |
hardware | ||||
Processor | 1.2GHz quad-core | 1.2GHz dual-core | 1.2GHz quad-core | |
Processor make | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 200 | Qualcomm Snapdragon 200 | |
RAM | 1GB | 1GB | 1GB | |
Internal storage | 8GB | 8GB | 8GB | |
Expandable storage | Yes | Yes | Yes | |
Expandable storage type | microSD | microSD | microSD | |
Expandable storage up to (GB) | 128 | 128 | 128 | |
camera | ||||
Rear camera | 8-megapixel | 2-megapixel | 5-megapixel | |
Rear flash | LED | No | LED | |
Front camera | 0.9-megapixel | 0.3-megapixel | 5-megapixel | |
software | ||||
Operating system | Windows Phone 8.1 | Windows Phone 8.1 | Windows 8.1 | |
Skin | - | - | Lumia Denim | |
connectivity | ||||
Wi-Fi | Yes | Yes | Yes | |
Wi-Fi standards supported | 802.11 b/g/n | - | 802.11 b/g/n | |
GPS | Yes | Yes | Yes | |
Bluetooth | Yes | Yes | Yes, v 4.00 | |
NFC | No | No | No | |
Infrared | No | No | No | |
USB OTG | No | No | No | |
Headphones | 3.5mm | 3.5mm | 3.5mm | |
FM | No | Yes | Yes | |
Number of SIMs | 1 | 2 | 2 | |
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 | No | No | No | |
sensors | ||||
Compass/ Magnetometer | Yes | No | No | |
Proximity sensor | Yes | Yes | Yes | |
Accelerometer | Yes | Yes | Yes | |
Ambient light sensor | Yes | Yes | Yes | |
Gyroscope | No | Yes | No | |
Barometer | No | No | No | |
Temperature sensor | No | No | No | |
sim 2 | ||||
SIM Type | - | Micro-SIM | Micro-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 | - | - |
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