Microsoft Lumia 640 Dual SIM
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RAM
1 GB (gigabytes)
Color
White
Black
Orange
Cyan
Microsoft Lumia 640 Dual SIM Price
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Key Specs
See Full SpecsMicrosoft Windows 10 Mobile
Performance
- ARM Cortex-A7
- 1 GB (gigabytes) RAM
Display
- 5 in (inches)
127 mm (millimeters)
12.7 cm (centimeters) - 294 ppi (pixels per inch)
115 ppcm (pixels per centimeter), IPS - Refresh Rate
Camera
- LED
- Front Camera
Battery
- 2500 mAh (milliampere-hours)
- Removable
- Yes
Specifications
8 GB (gigabytes
2
UMTS (384 kbit/s
Connectivity: Computer syncOTA
Fingerprint sensor:
FM Radio: Yes
Microsoft Lumia 640 Dual SIM Quick Glance
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Verdict
Microsoft Lumia 640 Dual SIM Specifications
Key Specs
RAM
1 GB (gigabytes)
Processor
Qualcomm Snapdragon 400 MSM8926
Rear Camera
Front Camera
Battery
2500 mAh (milliampere-hours)
Display
5 in (inches)
127 mm (millimeters)
12.7 cm (centimeters)
General
Launch Date
Operating System
Microsoft Windows Phone 8.1
Microsoft Windows 10 Mobile
Custom UI
Performance
Chipset
Qualcomm Snapdragon 400 MSM8926
CPU
ARM Cortex-A7
Architecture
32 bit
Fabrication
28 nm (nanometers)
Graphics
Qualcomm Adreno 305
Ram
1 GB (gigabytes)
Ram Type
Display
Display Type
IPS
Screen Size
5 in (inches)
127 mm (millimeters)
12.7 cm (centimeters)
Resolution
Aspect Ratio
1.778:1
16:9
Pixel Density
294 ppi (pixels per inch)
115 ppcm (pixels per centimeter)
Screen to Body Ratio
67.77 % (percent)
Screen Protection
Bezel-less display
Touch Screen
HDR 10 / HDR+ support
Refresh Rate
Design
Height
141.3 mm (millimeters)
14.13 cm (centimeters)
0.464 ft (feet)
5.563 in (inches)
Width
72.2 mm (millimeters)
7.22 cm (centimeters)
0.237 ft (feet)
2.843 in (inches)
Thickness
8.8 mm (millimeters)
0.88 cm (centimeters)
0.029 ft (feet)
0.346 in (inches)
Build Material
Plastic
Waterproof
Ruggedness
Colors
White
Black
Orange
Cyan
Main Camera
Camera Setup
Resolution
Sensor
CMOS BSI (backside illumination)
Autofocus
OIS
Flash
LED
Image Resolution
3264 x 2448 pixels
7.99 MP (megapixels)
Front Camera
Camera Setup
Resolution
Sensor
Video Recording
1280 x 720 pixels
0.92 MP (megapixels)
Battery
Capacity
2500 mAh (milliampere-hours)
type
Li-Ion
Removable
Quick Charging
Removable
USB Type-C
Storage
Internal Memory
8 GB (gigabytes)
Expandable Memory
Storage Type
USB OTG
Network & Connectivity
SIM Slot(s)
Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)
SIM Size
2
Network Support
UMTS (384 kbit/s )
EDGE
GPRS
HSPA+ (HSUPA 5.76 Mbit/s , HSDPA 42.2 Mbit/s )
VoLTE
SAR Value
Wi-Fi
802.11b (IEEE 802.11b-1999)
802.11g (IEEE 802.11g-2003)
802.11n (IEEE 802.11n-2009)
Wi-Fi Hotspot
Wi-Fi Features
Bluetooth
4.0 A2DP (Advanced Audio Distribution Profile)
AVRCP (Audio/Visual Remote Control Profile)
GATT (Generic Attribute Profile)
HFP (Hands-Free Profile)
HID (Human Interface Profile)
MAP (Message Access Profile)
OPP (Object Push Profile)
PAN (Personal Area Networking Profile)
PBAP/PAB (Phone Book Access Profile)
GPS
GPS
A-GPS
GLONASS
Wi-Fi
BeiDou
NFC
USB Connectivity
Charging
Mass storage
Multimedia
FM Radio
Yes
Loudspeaker
Loudspeaker
Earpiece
Audio Jack
Yes
Sensors
Fingerprint Sensor
Fingerprint Sensor Position
Fingerprint Sensor Type
Other Sensors
Proximity
Light
Accelerometer
Compass
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