Microsoft Lumia 640

Memory options

• 1 GB

  Capacity

  1 GB

• Rear camera 1
  Light-capture estimate

  Not available Sensor size and aperture are needed.

  Aperture

  2.20 f-number

  Position

  Rear

  Resolution

  8 MP

• Rear camera 2
  Light-capture estimate

  Not available Sensor size and aperture are needed.

  Aperture

  2 f-number

  Position

  Rear

  Resolution

  13 MP

• Front camera 1
  Light-capture estimate

  Not available Sensor size and aperture are needed.

  Position

  Front

  Resolution

  0.90 MP

• Front camera 2
  Light-capture estimate

  Not available Sensor size and aperture are needed.

  Position

  Front

  Resolution

  5 MP

Area-based index at equal illumination, f-number and exposure time. Not a camera-quality rating; lens transmission, sensor efficiency and processing are excluded.

Connectivity & features

• USB 2.0

Operating systems

• Windows Phone 8.1
• Windows 10 Mobile