General
| Name | Microsoft Lumia 640 Dual SIM | - |
|---|---|---|
| Launch Date | 1 Mar 2015 | - |
| Brand | Microsoft | - |
| Colors | Glossy cyan, Orange, White, Matte black | - |
Display
| Display Size | 5.0 Inches | - |
|---|---|---|
| Display Type | IPS LCD | - |
| Resolution | 720 x 1280 pixels | - |
| Refresh Rate | 60Hz | - |
| Display Protection | Gorilla Glass 3 | - |
| Aspect Ratio | 16:9 | - |
| Features | 67.6% (screen to body ratio), 294 ppi | - |
Platform
| Operating System | Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 | - |
|---|---|---|
| Processor | Snapdragon 400 (28 nm) | - |
| CPU | Quad-core 1.2 GHz Cortex-A7 | - |
| GPU | Adreno 305 | - |
Memory
| Ram | 1GB | - |
|---|---|---|
| Storage | 8GB | - |
| Storage Type | eMMC 4.5 | - |
| SD Card Slot | Yes | - |
Camera
| Type | Single Camera | - |
|---|---|---|
| Main | 8 MP, f/2.2, 28mm, 1/4.0", AF | - |
| Video | 1080p@30fps | - |
Front Camera
| Type | Single Camera | - |
|---|---|---|
| Selfie | 1 MP | - |
| Video | 720p | - |
Battery
| Capacity | 2500 mAh | - |
|---|---|---|
| Battery Technology | Li-Ion, removable | - |
| Charging Speed | - | - |
| USB Type | Micro USB, USB 2.0 | - |
| Wireless Charging | No | - |
Network
| Sim | Dual Sim | - |
|---|---|---|
| Sim Type | Dual SIM (Micro-SIM, dual stand-by) | - |
| Technology | 3G | - |
Connectivity
| Wi-Fi | WiFi 2.4 | - |
|---|---|---|
| Bluetooth | V4.0 | - |
| NFC | No | - |
| GPS | Yes | - |
Audio
| Loudspeaker | Yes | - |
|---|---|---|
| Headphone Jack | Yes | - |
Biometric
| Fingerprint | No | - |
|---|---|---|
| Face Unlock | Not Available | - |
Body
| Dimensions | 141.3 x 72.2 x 8.8 mm | - |
|---|---|---|
| Weight | 145 g | - |
| Frame | Plastic Frame | - |
| Back | Plastic Back | - |
| IP Rating | No | - |
Others
| Sensors | Accelerometer, proximity, compass | - |
|---|
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