Microsoft Lumia 640
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Top specifications
SIM type
Micro
Internal device memory
8GB
Max external memory (MicroSD)
128GB
Main camera (max MP)
8
Charge rate
0.75 amps
Battery
Removable battery
Yes
Talk time (mins)
1050
Charge rate
0.75 amps
Standby time (hrs)
864
Power saving
Battery Saver
Body
Height (mm)
141.3
Width (mm)
72.2
Depth (mm)
8.8
Weight (g)
145
Water resistant
No
Dust resistant
No
SIM type
Micro
Connectivity
Wi-Fi Direct
Yes
Personal hotspot
Yes
USB
Yes
Near Field Communication (NFC)
Yes
Bluetooth
Yes
HDMI output
No
Wi-Fi (WLAN)
Yes
USB cable
Yes
Processor
CPU speed
1.2 GHz Quad-core
Display
Resolution
720x1280
Multi-touch
Yes
Touch screen
Yes
Size (inches)
5
Network
Band
Quad
VoLTE Roaming (4G calling abroad)
No
VoLTE (4G calling in UK)
No
3G
Yes
4G
Yes
5G
No
Works in the US
Yes
Messaging
Text messages
Yes
Email
Yes
Multimedia messages
Yes
IM
Yes
Platform
Operating system
Windows Phone 8
Windows version
Windows Phone 8.1
Sensors
Accelerometer
Yes
Ambient light sensor
Yes
Proximity sensor
Yes
Digital compass
Yes
Memory
RAM
1GB
Device memory
8GB
Card slot
MicroSD
Card max size
128GB
Camera
Zoom type
Digital 4x
HD video recording
Yes
No. of cameras
2
Secondary camera resolution (MP)
1
Camera zoom
Digital 4x
Video recording
Yes
Resolution (max. mp)
8
Camera type
Rear facing
Features
Loudspeaker
Yes
Video player
Yes
Music player
Yes
Voice recording
Yes
A-GPS
Yes
Web browser
Yes
FM radio
Yes
Document viewer
Yes
3.5mm headphone jack
Yes
Video calling
App required
GPS
Yes
Security
Fingerprint sensor
No
Flash
Flash type
LED
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