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| key specs | ||||
| Display | 5.70-inch | 5.70-inch | 5.70-inch | 5.50-inch |
| Processor | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 615 |
| Front Camera | 5-megapixel | 5-megapixel | 5-megapixel | 5-megapixel |
| Rear Camera | 13-megapixel | 13-megapixel | 13-megapixel | 13-megapixel |
| RAM | 1GB | 1GB | 1GB | 2GB |
| Storage | 8GB | 8GB | 8GB | 16GB |
| Battery Capacity | 3000mAh | 3120mAh | 3000mAh | 2500mAh |
| OS | Windows Phone 8.1 | Windows Phone 8.1 | Windows Phone 8.1 | Cyanogen OS 11 |
| Resolution | 720x1280 pixels | 720x1280 pixels | 720x1280 pixels | 720x1280 pixels |
| general | ||||
| Brand | Microsoft | Microsoft | Microsoft | Yu |
| Model | Lumia 640 XL | Lumia 640 XL LTE Dual SIM | Lumia 640 XL Dual SIM | reka |
| Release date | March 1, 2015 | March 1, 2015 | March 1, 2015 | December 1, 2014 |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 157.90 x 81.50 x 9.00 | 157.90 x 81.50 x 9.00 | 157.90 x 81.50 x 9.00 | 154.80 x 78.00 x 8.80 |
| Weight (g) | 171.00 | 171.00 | 171.00 | 177.00 |
| Battery capacity (mAh) | 3000 | 3120 | 3000 | 2500 |
| Removable battery | Yes | Yes | Yes | Yes |
| Alternate names | - | - | - | AO5510 |
| Colours | - | - | - | Moonstone Grey |
| display | ||||
| Screen size (inches) | 5.70 | 5.70 | 5.70 | 5.50 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 720x1280 pixels | 720x1280 pixels | 720x1280 pixels | 720x1280 pixels |
| Pixels per inch (PPI) | 259 | 259 | 259 | 267 |
| hardware | ||||
| Processor | 1.2GHz quad-core | 1.2GHz quad-core | 1.2GHz quad-core | 1.5GHz octa-core |
| Processor make | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 400 | Qualcomm Snapdragon 615 |
| RAM | 1GB | 1GB | 1GB | 2GB |
| Internal storage | 8GB | 8GB | 8GB | 16GB |
| Expandable storage | Yes | Yes | Yes | Yes |
| Expandable storage type | microSD | microSD | microSD | microSD |
| Expandable storage up to (GB) | 128 | 128 | 128 | 32 |
| camera | ||||
| Rear camera | 13-megapixel | 13-megapixel | 13-megapixel | 13-megapixel |
| Rear flash | LED | LED | LED | Yes |
| Front camera | 5-megapixel | 5-megapixel | 5-megapixel | 5-megapixel |
| software | ||||
| Operating system | Windows Phone 8.1 | Windows Phone 8.1 | Windows Phone 8.1 | Cyanogen OS 11 |
| 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, v 4.00 | Yes, v 4.00 | Yes, v 4.00 | Yes, v 4.00 |
| NFC | Yes | Yes | Yes | No |
| Infrared | No | No | No | No |
| USB OTG | No | No | No | No |
| Headphones | 3.5mm | 3.5mm | 3.5mm | 3.5mm |
| FM | Yes | Yes | Yes | Yes |
| Number of SIMs | 1 | 2 | 2 | 2 |
| Wi-Fi Direct | No | Yes | No | No |
| Mobile High-Definition Link (MHL) | No | No | No | No |
| sim 1 | ||||
| SIM Type | Micro-SIM | Micro-SIM | Micro-SIM | Micro-SIM |
| GSM/CDMA | GSM | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes | Yes |
| 4G/ LTE | No | Yes | No | Yes |
| sensors | ||||
| Compass/ Magnetometer | Yes | Yes | Yes | No |
| Proximity sensor | Yes | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes | Yes |
| Ambient light sensor | Yes | Yes | Yes | Yes |
| Gyroscope | No | No | No | Yes |
| Barometer | No | No | No | No |
| Temperature sensor | No | No | No | No |
| sim 2 | ||||
| SIM Type | - | Micro-SIM | Micro-SIM | Micro-SIM |
| GSM/CDMA | - | GSM | GSM | GSM |
| 3G | - | Yes | Yes | Yes |
| 4G/ LTE | - | Yes | No | Yes |
| 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 | - | - | ||
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