Microsoft Lumia 640

Announced:
Mar 2, 2015
Market status:
Released

PhoneArena Rating:

7.5
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  • Fingerprint
  • Lightweight
  • Thin
  • LTE
  • Waterproof
  • NFC
  • Dual SIM*

Display

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Display size:

5.0 inches

Resolution:

720 x 1280 pixels

Pixel density:

294 ppi

Technology:

IPS LCD

Screen-to-body ratio:

67.65 %

Features:

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Camera

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Rear:

Single camera

Main camera:

8 megapixels

Hardware Features:

Autofocus, Back-illuminated sensor (BSI)

Specifications:

Aperture size: F2.2; Focal length: 28 mm; Sensor size: 1/4"

Flash:

LED

Video recording:

1920x1080 (Full HD) (30 fps)

Features:

Continuous autofocus, Video light, Video calling, Video sharing

Front:

0.9 megapixels

Design

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 6 oz (173 g)

Features:

Touch sensitive control keys

Colors:

Black, Orange, Blue, White

Hardware & Performance

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System chip:

Qualcomm Snapdragon 400

Processor:

Quad-core, 1200 MHz

GPU:

Yes

RAM:

1 GB

Internal storage:

8 GB

Storage expansion:

up to 128 GB

OS:

Windows (10 Mobile)

Battery

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Capacity:

2500 mAh

Talk time:

26.50 hours
the average is 23 h (1393 min)

Stand-by time:

36.0 days (864 hours)
the average is 21 days (500 h)

Talk time (3G):

17.50 hours
the average is 23 h (1396 min)

Music playback:

86.00 hours

Video playback:

8.60 hours

Cellular

LTE (FDD):

Bands 2, 4, 5, 7, 12, 17, 28

UMTS:

850, 900, 1700/2100, 2100 MHz

GSM:

850, 900, 1800, 1900 MHz

Data:

LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

SIM type:

Micro SIM

Connectivity

Bluetooth:

4.0

Wi-Fi:

802.11 b, g, n

USB:

USB 2.0

Connector:

microUSB

Features:

Mass storage device, USB charging

Location:

GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning

Other:

NFC, Tethering, Computer sync, OTA sync

Phone features

Sensors:

Accelerometer, Compass

Notifications:

Notification light, 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

Multimedia

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Screen mirroring:

DLNA

Radio:

FM

Speakers:

Earpiece, Loudspeaker

Headphones connector:

3.5mm

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:

LTE (FDD):

Bands 12, 17, 28, 20, 5, 8, 4, 3, 2, 1, 7

LTE (TDD):

Bands 40, 38

UMTS:

850, 900, 1700/2100, 1900, 2100 MHz

Dual SIM:

Yes

Microsoft Lumia 640

3G Only

Differences from the main variant:

US CARRIER AVAILABILITY

Pros

No Pros

Cons

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

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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