5" 720 x 1280 pixels
8MP Front: 1 MP
1GB RAM
2500mAh

General

Operating System Version
Windows Phone v8.1
sim slot(s)
  • + Dual SIM
  • + GSM+GSM
sim size
Micro

Display

Screen Size
5
inch
Pixel Density
294
PPI

Display

The Microsoft Lumia 640 Dual SIM features a 5 inch display which is quite common for a smartphone
The density of pixels per square inch of screen decides the display sharpness of a device. With a resolution of 294 PPI, the device is 82% sharper than typical phones released .

Screen Resolution
HD (720 x 1280 pixels)
Display Technology
IPS LCD

Battery Life

Talk Time
26.5
hours
Battery Capacity
2500
mAh

Battery Life

It is said that the Microsoft Lumia 640 Dual SIM can last up to 26.5 hours of talk time. Talking about the power life of the device, which is mostly decided by battery capacity, it packs 2500 mAh a super huge smartphone battery capacity.

Dimensions and Design

Phone Depth
8.8
mm
Weight
145
grams

Dimensions and Design

The dimension is 141.3 in height, 72.2 width, and 8.8 mm of thickness.
The phone's body has a depth of 8.8 mm, 61% thicker than a typical device in screen category.
Compared to other phones of the same size, 145 grams of weight is quite typical.

Display Features
  • + Capacitive Touchscreen
  • + Multi-touch
Dimensions
141.3 x 72.2 x 8.8 mm
Colours
  • + black
  • + blue
  • + white

CPU & RAM

CPU Speed
1.2
GHz
RAM
1000
MB

Processor and Memory

Its CPU is clocked at 1.2 GHz, which is significantly faster than an average smartphone processor.
Having a RAM of 1000 MB, the Microsoft Lumia 640 Dual SIM has much more memory than average, guaranteeing a smooth performance compared to most phones.

Camera

Rear Camera
8
megapixel
Front Camera
1
megapixel

Camera

The Microsoft Lumia 640 Dual SIM packs a 8 megapixel camera on the back, making it potential in capturing very nice photos.

Flash
LED
Camera Options
  • + Back-illuminated sensor (BSI)
  • + Face detection
  • + Geo tagging
  • + Touch to focus

Connectivity

sim card
Micro
Wireless Connectivity
  • + 3G
  • + 2G
  • + NFC
  • + WiFi
  • + Bluetooth
Sensors
  • + Accelerometer
  • + Compass
  • + Light sensor
  • + Proximity sensor

General Features

Features
  • + USB Port
  • + microUSB 2.0
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