Tech specs: Microsoft Lumia 640

Learn about the key features and specifications of the Microsoft Lumia 640.

 

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Key features

  • Windows Phone 8.1
  • 8MP rear facing camera with LED flash
  • Popular Microsoft apps (Cortana, Skype, Office, One Drive)
  • Wi-Fi calling
  • 4G LTE data speeds with band 12 support

 

Specs

 

Specs

  • Battery
    • Usage time: XX hours
    • Standby time: XX hours
  • Keyboard
    • Touch screen with on-screen keyboard
  • Memory
    • 1 GB RAM, 8 GB ROM Supports up to 128 GB MicroSDXC card
  • Network
    • 2G/3G/4G/LTE Capable
    • GSM network: 850 MHz, 900 MHz, 1800 MHz, 1900 MHz
    • LTE FDD network12: Band 17 (700MHz), Band 2 (1900 MHz), Band 4 (1700/2100 MHz), Band 5 (850MHz), Band 7 (2600 MHz), Band 28 (700 MHz), Band 12 (700 MHz)
  • Operating System
    • Windows Phone 8.1 with Lumia Denim
  • Processor
    • Qualcomm® Snapdragon™ 400 Quad core 1200 MHz
  • System Manager (Carrier IQ)
    • No
  • Emergency Alerts (CMAS)
    • Yes
  • HD Voice Capable
    • Yes
  • VoLTE Capable
    • Yes
  • Anti-theft
    • Yes

Connectivity

  • AV connectors: 3.5 mm audio connector
  • Charging connectors: Micro-USB
  • System connectors: Micro-USB-B
  • USB: USB 2.0
  • Bluetooth: Bluetooth 4.0
  • Bluetooth profiles: Advanced Audio Distribution Profile (A2DP) 1.2, Audio/Video Remote Control Profile (AVRCP) 1.4, Generic Attribute Profile (GATT), Hands-free profile (HFP) 1.6, Human Interface Device Profile (HID), Object Push profile (OPP) 1.1, Personal Area Network Profile (PAN) 1.0, Phone Book Access Profile (PBAP) 1.1, Message Access Profile (MAP)
  • NFC: Pairing, Sharing, Tagging
  • Wi-Fi: WLAN IEEE 802.11 b/g/n
  • Wi-Fi hotspot10: Up to 8 Wi-Fi-enabled devices

Web

  • Internet browser capabilities: Internet Explorer 11

Camera

  • Main camera: 8.0 MP
  • Main camera focus type: Auto focus
  • Camera digital zoom: 4 x
  • Sensor size: 1/4 inch
  • Main camera f-number/aperture: f/2.2
  • Camera focal length: 28 mm
  • Flash type: LED flash
  • Camera features: Backside-illuminated image sensor, Dynamic flash, Rich capture
  • Camera minimum focus range: 10 cm
  • Front camera: HD 0.9 MP wide angle
  • Front camera f-number/aperture: f/2.4
  • Front camera features: Still image capture, Video call, Video recording
  • Front camera video resolution: 720p (HD, 1280 x 720)
  • Main camera video resolution: 1080p (Full HD, 1920 x 1080)
  • Camera video frame rate: 30 fps
  • Camera video zoom: 4 x
  • Video recording features: Video zoom, Continuous autofocus, Video light
  • Video recording formats: MP4/H.264

Multimedia

  • Audio recording codecs: AAC LC, AMR-NB, GSM FR
  • Audio recording features: Mono
  • Audio playback features: Audio Streaming, Cloud music offline playback, Cloud music playback, Graphical equalizer, Media Player, Music Player, Podcasts, Virtual surround
  • Radio features15: Internet Radio, FM Radio
  • Video playback codecs: H.263, H.264/AVC, MPEG-4, VC-1, Windows video
  • Video streaming: YouTube browsing and video streaming, Streaming from video services and internet, Progressive video download