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Microsoft Lumia 640

Microsoft Lumia 640

US carrier availability

Discontinued: AT&T, T-Mobile, MetroPCS, Cricket

Pros

  • Lightweight phone

Cons

  • Too little RAM memory (1 GB RAM)
  • Low pixel density screen (294 ppi)

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Description

The Microsoft Lumia 640 features a 5-inch HD display, comes in a range of vivid colors, and runs on Windows Phone 8.1 (it's set to get upgraded to Windows 10 in the not too distant future). The Lumia 640 has all the options you'd expect from an affordable phone: more specifically, it arrives in a single- and dual-SIM versions with both a 3G model and 4G LTE version of the handset, including a dual-SIM LTE device. The handset comes in a range of colors including cyan, orange, black and white. It's also got an 8-megapixel camera with dynamic flash and auto HDR, as well as a front-facing camera with wide-angle lens. It is pre-loaded with the latest Lumia camera app update.

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Design

  • Device type:
    • Smart phone
  • OS:
    • PopupWindows (10 Mobile)
  • Dimensions:
    • 5.56 x 2.84 x 0.35 inches (141.3 x 72.2 x 8.8 mm)
  • Weight:
    • 5.11 oz (145 g)
      the average is 5.5 oz (157 g)
  • Features:
    • Touch sensitive control keys
  • Colors:
    • Black, Orange, Blue, White

Displaybenchmark

  • Physical size:
    • 5.0 inches
  • Resolution:
    • 720 x 1280 pixels
  • Pixel density:

    Pixel density - The pixel density of a display represents the number of pixels over an area of one inch. It’s measured in “pixels per inch”, or ppi. The higher the number, the more detailed and good-looking the display is.

    • 294 ppi
  • Technology:

    Technology - There are two main screen technologies currently used in phones and tablets: LCD and AMOLED. The former usually features a light source and liquid crystals, while the latter is based on organic light-emitting diodes. Newer LCD variations like IPS-LCD and Super-LCD allow for very accurate color reproduction and very wide viewing angles, where no significant image quality loss is observed. Current AMOLED screens differ in such a way that they can exhibit much more saturated colors (sometimes too much) and incredibly high contrast levels, which is due to black color being completely black in AMOLED displays.

    • IPS LCD
  • Screen-to-body ratio:

    Screen-to-body ratio - Shows what part of the frontal area of a phone its screen occupies.

    • 67.65 %
  • Features:
    • Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Camerabenchmark

  • Camera:
      • Popup8 megapixels
    • Flash:
      • LED
    • Aperture size:

      Aperture size - The aperture of a camera is the opening through which light travels before it reaches the camera sensor. The smaller the number is, the bigger this opening is, allowing for more light to pass.

      • F2.2
    • Focal length (35mm equivalent):

      Focal length (35mm equivalent) - The lower (shorter) the focal length number, the wider the shot will be. Conversely, longer focal length cameras produce narrower frames, which can be used for telephoto (zoomed-in) purposes.

      • 28 mm
    • Camera sensor size:

      Camera sensor size - A bigger camera sensor is able to capture more light, and thus produce better photos.

      • 1/4"
    • Hardware Features:
      • Autofocus, Back-illuminated sensor (BSI)
    • Software Features:
      • Face detection, Digital zoom, Geo tagging
    • Settings:
      • Exposure compensation, ISO control, White balance presets, Shutter speed control
    • Shooting Modes:
      • PopupBurst mode, High Dynamic Range mode (HDR), Scenes, Effects
  • Camcorder:
      • 1920x1080 (1080p HD) (30 fps)
    • Features:
      • Continuous autofocus, Video light, Video calling, Video sharing
  • Front-facing camera:
      • 0.9 megapixels

Hardwarebenchmark

  • System chip:

    System chip - Most modern handsets use an advanced chip that includes many of the device’s hardware modules like the processor, Wi-Fi, Bluetooth and sometimes even the wireless radio. This field shows what particular system chip (or System-on-a-Chip) is used in the phone.

    • Qualcomm Snapdragon 400
  • Processor:

    Processor - The processor is the main computing component of a phone and is a major factor when it comes to the overall speed of the device. Some more powerful smartphones use dual-core and quad-core processors designed to deliver greater performance.

    • Quad-core, 1200 MHz
  • Graphics processor:

    Graphics processor - The graphics processor is important for the smooth operation of the system and especially in games and other applications that may involve complex graphics and animations.

      • Yes
  • System memory:

    System memory - System memory, or RAM memory is the type of memory that the device uses to temporarily store data from the OS or currently-running apps. The more RAM available to the device, the better the performance will be when multiple or heavier programs are running.

    • 1 GB RAM
  • Built-in storage:

    Built-in storage - Bigger storage capacity allows you to keep more content saved onto your device, such as more applications, photos or video. Games and video content typically take up the biggest amount of storage space.

    • 8 GB
  • Storage expansion:

    Storage expansion - Some handsets allow you to expand their storage capacity by using a memory expansion card – most often microSD. Expansion memory is mostly suitable for media storage, such as photo, video or music content.

    • microSD, microSDHC, microSDXC up to 128 GB

Batterybenchmark

  • Capacity:

    Capacity - The bigger, the better! However, battery capacity is not the only factor that has an effect on battery life. Those include the chipset in use, the software running on the device, as well as the consumer's unique usage pattern.

    • 2500 mAh
  • Type:
    • User replaceable
  • Wireless charging:
    • Optional
  • Talk time:
    • 26.50 hours
      the average is 20 h (1195 min)
  • Stand-by time:
    • 36.0 days (864 hours)
      the average is 19 days (449 h)
  • Talk time (3G):
    • 17.50 hours
      the average is 18 h (1073 min)
  • Music playback:
    • 86.00 hours
  • Video playback:
    • 8.60 hours

MultimediaPopupbenchmark

  • Screen mirroring:
    • DLNA
  • Music player:
    • Filter by:
      • Album, Artist, Playlists
    • Features:
      • Album art cover, Background playback, Music recognition, Preset equalizer
  • Radio:
      • FM
  • Speakers:
    • Earpiece, Loudspeaker

Cellular

  • GSM:
    • 850, 900, 1800, 1900 MHz
  • UMTS:
    • 850, 900, 1700/2100, 2100 MHz
  • LTE (FDD):
    • Bands 2, 4, 5, 7, 12, 17, 28
  • Data:
    • LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
  • Micro SIM:
    • Yes

Phone features

  • Sensors:
      • Accelerometer, Compass
  • Notifications:
    • Service lights, Haptic feedback, Music ringtones (MP3), Vibration, Flight mode, Silent mode, Speakerphone
  • Hearing aid compatibility:
      • M3, T4
  • Other features:
    • Voice dialing, Voice commands, Voice recording, TTY/TDD
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Connectivity

  • Bluetooth:
      • 4.0
  • Wi-Fi:
      • 802.11 b, g, n
    • Mobile hotspot:
      • Yes
  • USB:
      • USB 2.0
    • Connector:
      • microUSB
    • Features:
      • Mass storage device, USB charging
  • Positioning:

    Positioning - This field shows the positioning systems supported by the device. The most common types are GPS and A-GPS. GPS - This is one of the most widespread global positioning technologies, developed and maintained by the U.S. government. It uses satellites in order to detect your location. Works best in clear weather. A-GPS - A-GPS stands for Assisted GPS and is the industry standard for positioning and navigation. “Assisted” means that it can use local wireless networks, in addition to satellites, for quicker and more precise localization.

    • GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
  • Navigation:
    • Turn-by-turn navigation, Voice navigation, Points of interest (POI)
  • Other:
    • NFC, Tethering, Computer sync, OTA sync

Availability

  • Officially announced:
    • 02 Mar 2015

Shopping information

  • MSRP price:
    • € 159

To see the full specifications with in-depth details click here.

This device is also known as Microsoft RM-1109


Alternative variants

We list only the specs that are different than the main variant

Microsoft Lumia 640 (Dual SIM)

Differences from the main variant:

  • UMTS:
    • 850, 900, 1700/2100, 1900, 2100 MHz
  • LTE (FDD):
    • Bands 12, 17, 28, 20, 5, 8, 4, 3, 2, 1, 7
  • LTE (TDD):
    • Bands 40, 38
  • Multiple SIM cards:
    • 2 slots

Microsoft Lumia 640 (3G Only)

Differences from the main variant:

  • MSRP price:
    • € 139

Despite our efforts to provide full and correct Microsoft Lumia 640 specifications, there is always a possibility of making a mistake. If you see any wrong or incomplete data, please LET US KNOW.


If you are interested in using our specs commercially, check out our Phone specs database licensing page.


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