Call management
| Conference call |
Y |
| Speakerphone |
Y |
| Call timer |
Y |
| Call divert |
Y |
| Call hold |
Y |
| Speed dialing |
Y |
| Vibrating alert |
Y |
| Call waiting |
Y |
| Caller ID |
Y |
Processor
| Processor cores |
4 |
| Processor frequency |
1.2 GHz |
Performance
| Video call |
Y |
| Personal info management (PIM) |
Alarm clock, Calculator, Calendar, Events reminder, Notes, To-do list |
| Themes |
Wallpapers |
| Flight mode |
Y |
| Personalization |
Shortcuts, Menu, Icons |
| Microphone mute |
Y |
Networking
| 3G |
Y |
| Wi-Fi |
Y |
| Near Field Communication (NFC) |
Y |
| 3G standards |
WCDMA |
| 3G bands supported |
850, 900, 1900, 2100 MHz |
| SIM card type |
MicroSIM |
| Bluetooth |
Y |
| SIM card capability |
Dual SIM |
| Tethering (modem-mode) |
Y |
| 2G standards |
GSM |
Display
| Display type |
IPS |
| Touch technology |
Multi-touch |
| Orientation sensor |
Y |
| Pixel density |
259 ppi |
Ports & interfaces
| USB version |
2.0 |
| USB port |
Y |
| USB connector type |
Micro-USB |
Camera
| Maximum frame rate |
30 fps |
| Video recording |
Y |
| Front camera resolution (numeric) |
5 MP |
| Video recording modes |
1080p |
| Auto focus |
Y |
| Front camera |
Y |
| Rear camera resolution (numeric) |
13 MP |
| Flash type |
LED |
| Geotagging |
Y |
| Digital zoom |
4 x |
| Built-in flash |
Y |
| Video capture resolution (max) |
1920 x 1080 pixels |
Certificates
| Body SAR (EU) |
0.44 W/kg |
| Head SAR (EU) |
0.69 W/kg |
| Digital Living Network Alliance (DLNA) certified |
Y |
Ergonomics
| Accelerometer |
Y |
| Ambient light sensor |
Y |
| Proximity sensor |
Y |
Storage
| Internal storage capacity |
8 GB |
| Maximum memory card size |
128 GB |
| USB mass storage |
Y |
Software
| Operating system version |
8.1 |
Navigation
| GPS (satellite) |
Y |
| Assisted GPS (A-GPS) |
Y |
| Position location |
Y |
| GLONASS |
Y |
| Wi-Fi positioning |
Y |
Battery
| Continuous audio playback time |
98 h |
| Browsing time (Wi-Fi) |
14.2 h |
| Talk time (3G) |
24 h |
| Talk time (2G) |
30.3 h |
| Continuous video playback time |
10.7 h |
Messaging
| E-mail |
Y |
| Chat |
Y |
| MMS (Multimedia Messaging Service) |
Y |
| Instant messaging (IM) |
Y |
| Short Message Service (SMS) |
Y |
Subscription
| Subscription type |
No subscription |
Additionally
| Internal RAM |
1 GB |
| Battery performance |
3000 mAh |
Lumia 640 XL Dual-SIM - 5.7" 1280 x 720 IPS LCD 259 ppi, GSM/WCDMA, Qualcomm Snapdragon 400 1200.0 MHz, RAM: 1 GB, MicroSD, Bluetooth 4.0, NFC, Wi-Fi, A-GLONASS, A-GPS, 13.0 MP, Windows Phone 8.1
- Latest version of Windows Phone 8.1 along with seamlessly integrated Microsoft Office experiences
- Enjoy photos and videos on a crisp 5.7” HD display
- Built-in Skype integration and a 5MP front-facing camera for switching seamlessly between voice and video calls
- 13MP ZEISS optics camera with LED flash and Lumia Camera right out of the box
- 1GB of memory and powerful quad core processor
