Microsoft Lumia 640 Dual SIM
Release Date:
Display Size
5.0 inches, 68.9 cm 2 (~67.6% screen-to-...
Processor
Quad-core 1.2 GHz Cortex-A7
Main Camera
8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Selfie Camera
1 MP
RAM
1 GB RAM
Storage
8GB 1GB RAM
Battery Capacity
Li-Ion 2500 mAh, removable
OS
Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Storage
Quad-core 1.2 GHz Cortex-A7
Microsoft Lumia 640 Dual SIM Full Specifications
| Body & General | ||
|---|---|---|
| Brand | Microsoft | |
| Dimensions | 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) | |
| Weight | 145 g (5.11 oz) | |
| Display Type | IPS LCD | |
| Display Size | 5.0 inches, 68.9 cm 2 (~67.6% screen-to-body ratio) | |
| Protection | ||
| Resolution | 720 x 1280 pixels, 16:9 ratio (~294 ppi density) | |
| Build | Not Found | |
| SIM | Dual SIM (Micro-SIM, dual stand-by) | |
| Colors | Stellar Green, Nebula Purple | |
| Main Camera | ||
| Single | 8 MP, f/2.2, 28mm (wide), 1/4.0", AF | |
| Features | LED flash | |
| Video | 1080p@30fps | |
| Selfie Camera | ||
| Single | 1 MP | |
| Features | Not Found | |
| Video | 720p | |
| Platform | ||
| OS | Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 | |
| Chipset | Qualcomm MSM8926 Snapdragon 400 (28 nm) | |
| CPU | Quad-core 1.2 GHz Cortex-A7 | |
| GPU | Adreno 305 | |
| Memory | ||
| Ram | 1 GB RAM | |
| Internal | 8GB 1GB RAM | |
| Card slot | microSDXC (dedicated slot) | |
| COMMS | ||
| WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot | |
| Bluetooth | 4.0, A2DP | |
| Radio | FM radio | |
| Number of SIM | ||
| USB | microUSB 2.0 | |
| GPS | GPS, GLONASS, BDS | |
| Battery | ||
| Battery capacity (mAh) | Li-Ion 2500 mAh, removable | |
| Charging | Not Found | |
| Sound | ||
| Loudspeaker | Yes | |
| 3.5mm jack | Yes | |
| Sensors | ||
| Sensors | Accelerometer, proximity, compass | |
| Fingerprint sensor | ||
| Compass/ Magnetometer | ||
| Proximity sensor | ||
| Accelerometer | ||
| Ambient light sensor | ||
