Microsoft Lumia 640 Dual SIM Specifications

Key Specs General Performance Display Design Rear Camera Front Camera Battery Storage Network & Connectivity Multimedia Sensors

Key Specs
RAM & Storage 1 GB + 8 GB
Processor Qualcomm Snapdragon 400 MSM8926
Rear Camera 8 MP
Front Camera 1 MP
Battery 2500 mAh
Display 5.0 inches (12.7 cm)

General
Operating System Windows Phone v8.1

Performance
Chipset Qualcomm Snapdragon 400 MSM8926
Processor Quad core, 1.2 GHz, Cortex A7
RAM 1 GB
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Display
Display Type IPS LCD
Screen Size 5.0 inches (12.7 cm)
Resolution 720x1280 px (HD)
Pixel Density 294 ppi
Screen to Body Ratio (calculated) 67.51 %
Screen Protection Corning Gorilla Glass v3

Design
Height 141.3 mm
Width 72.2 mm
Thickness 8.8 mm
Weight 145 grams

Rear Camera
Resolution
CameraMPApertureFocal LengthZoom
Primary8 MPf/2.228 mmupto 4x Digital Zoom
Autofocus Yes
Flash Yes, LED Flash
Image Resolution 3264 x 2448 Pixels
Settings Exposure compensation, ISO control
Shooting Modes Continuous Shooting
High Dynamic Range mode (HDR)
Camera Features 4 x Digital Zoom
Auto Flash
Digital image stabilization
Face detection
Touch to focus
Video Recording 1920x1080 @ 30 fps

Front Camera
Resolution
CameraMP
Primary1 MP
Video Recording 1280x720 @ 30 fps

Battery
Capacity 2500 mAh
Battery Type Li-ion
TalkTime Up to 17.5 Hours(3G) / Up to 26.5 Hours(2G)

Storage
Internal Storage 8 GB
Expandable Storage Yes, Up to 128 GB

Network & Connectivity
SIM Slot(s) Dual SIM
SIM Type SIM1: Micro
Network Support 5G Not Supported
Wi-Fi Yes, Wi-Fi 4 (802.11 b/g/n)
Bluetooth Yes, v4.0
GPS Yes with A-GPS, Glonass
NFC Yes

Multimedia
Audio Jack 3.5 mm

Sensors
Other Sensors Light sensor, Proximity sensor, Accelerometer, Compass
Mobiles› Microsoft Lumia 640 Dual SIM› Microsoft Lumia 640 Dual SIM Specifications
Updated on: June 4, 2026