Microsoft Lumia 640 Dual – Full Phone Specifications
Microsoft LUMIA 640 DUAL is 5″ 720p Mid-range budget device with WP 8.1 (Lumia Denim), 8MP camera, WiFi, Bluetooth, Gorilla Glass 3 protection, 8GB storage.
Microsoft Website
| Device | LUMIA 640 |
| Screen Size | 5 inches |
| OS | Windows Phone 8.1, Lumia Denim |
| Resolution | 720 X 1280 |
| CPU | 1.2GHz Quadcode Snapdragon 400 |
| GPU | Adreno 305 |
| SIM | Dual Sim |
| Network Support | 3G / 2G |
| Internal Memory | 8 GB |
| SD Card | Yes, up to 128GB |
| RAM | 1 GB |
| Camera Main | 8 MP |
| Camera Front | 0.9 MP |
| Connectivity | |
| Wifi | 802.11 b/g/n |
| Bluetooth | 4 |
| GPS | A-GPS, GLONASS |
| NFC | No |
| USB OTG | No |
| Sensors | Accelerometer, Proximity, Ambient Light, Magnetometer, SensorCore |
| Battery | 2500 mAh |
| Date Available | April, 2015 |
| Infrared Port | No | Weight | 145g | Other Features | Gorilla Glass 3 |