Microsoft Lumia 640 Dual SIM

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₹8,999 (Last Known Price)
Microsoft Lumia 640 Dual SIM is permanently discontinued.

Key Specs

Windows Phone v8.1

Performance

  • Qualcomm Snapdragon 400
  • Quad Core, 1.2 GHz
  • 1 GB RAM

Display

  • 5.0 inches (12.7 cm); IPS LCD
  • 720x1280 px (HD)
  • Gorilla Glass 3 Protection

Rear Camera

  • Single Camera Setup
    • 8 MP (upto 4x Digital Zoom) Primary Camera
  • LED Flash
  • Full HD @30fps Video Recording

Front Camera

  • 1 MP
  • HD @30 fps Video Recording

Battery

  • 2500 mAh

General

  • SIM1: Micro
  • 5G Not Supported
  • 8 GB internal storage, Expandable upto 128 GB
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Microsoft Lumia 640 Dual SIM Expert Review Summary

Expert Rating:

7.0/10

Ketaki Bhojnagarwala
by  Ketaki Bhojnagarwala , 27 Apr 2015

Verdict

When you compare the Lumia 640 to its predecessor, the Lumia 630 (review), it`s apparent that Microsoft has worked on improving the specs of its affordable line-up. It’s priced at Rs 11,999, which is almost the same price the Lumia 630 was launched for last year, but manages to pack in a better display, camera and battery, among other upgrades. But what Microsoft hasn`t taken into consideration is the competition. At a time when Android manufacturers are vying to offer their smartphones at

    Pros

  • :Sharp display with good viewing angles
  • Handles day-to-day tasks with ease
  • Good build quality and compact size

    Cons

  • Average cameras
  • Expensive considering the competition
Specs At A Glance +

5-inch display, 1,280 x 720 pixels (294 ppi)

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What’s the same: design, hardware, software and connectivity +

Looking at both smartphones side by side, the Lumia 640 looks like a shrunken version of its bigger sibling. Design-wise, they're both identical. The front of the smartphone features the secondary camera, Microsoft logo, earpiece and sensors above the display. The chin is bare except for the primary microphone, since the phone incorporates a virtual navigation bar on the screen. The port and button placement is a standard affair, with the 3.5mm audio jack on top, the micro-USB port at the bottom and the volume rocker and power button on the right.

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What’s different: display, cameras, battery life +

The Lumia 640 and Lumia 640 XL both feature HD resolution screens, but on the latter’s large 5.7-inch display, this translated into a lower pixel density, and subsequently compromised sharpness. On the Lumia 640’s smaller 5-inch display, you get a decent pixel density of 294ppi. The differences are clearly visible, with the 640's display looking much sharper than that on the 640 XL. The screen responsiveness, viewing angles and sunlight legibility however, are on par with the Lumia 640 XL. Both displays offer ClearBlack technology, Gorilla Glass 3 protection and the Glance Screen feature. 

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Microsoft Lumia 640 Dual SIM Specifications

General Performance Display Design Rear Camera Front Camera Battery Storage Network & Connectivity Multimedia Sensors

General

Operating System Windows Phone v8.1

Performance

Chipset Qualcomm Snapdragon 400 MSM8926
Processor Quad core, 1.2 GHz, Cortex A7
RAM 1 GB

Display

Display Type IPS LCD
Screen Size 5.0 inches (12.7 cm)
Resolution 720x1280 px (HD)
Pixel Density 294 ppi
Screen to Body Ratio (calculated) 67.51 %
Screen Protection Corning Gorilla Glass v3

Design

Height 141.3 mm
Width 72.2 mm
Thickness 8.8 mm
Weight 145 grams

Rear Camera

Resolution
CameraMPApertureFocal LengthZoom
Primary8 MPf/2.228 mmupto 4x Digital Zoom
Autofocus Yes
Flash Yes, LED Flash
Image Resolution 3264 x 2448 Pixels
Settings Exposure compensation, ISO control
Shooting Modes Continuous Shooting
High Dynamic Range mode (HDR)
Camera Features 4 x Digital Zoom
Auto Flash
Digital image stabilization
Face detection
Touch to focus
Video Recording 1920x1080 @ 30 fps

Front Camera

Resolution
CameraMP
Primary1 MP
Video Recording 1280x720 @ 30 fps

Battery

Capacity 2500 mAh
Battery Type Li-ion
TalkTime Up to 17.5 Hours(3G) / Up to 26.5 Hours(2G)

Storage

Internal Storage 8 GB
Expandable Storage Yes, Up to 128 GB

Network & Connectivity

SIM Slot(s) Dual SIM
SIM Type SIM1: Micro
Network Support 5G Not Supported
Wi-Fi Yes, Wi-Fi 4 (802.11 b/g/n)
Bluetooth Yes, v4.0
GPS Yes with A-GPS, Glonass
NFC Yes

Multimedia

Audio Jack 3.5 mm

Sensors

Other Sensors Light sensor, Proximity sensor, Accelerometer, Compass

Microsoft Lumia 640 Dual SIM User Reviews

4.1/5
Based on 7,458 ratings

Microsoft Lumia 640 Dual SIM Key Highlights

Processor Qualcomm Snapdragon 400 MSM8926
RAM & Storage 1 GB + 8 GB
Display 5.0", 720 x 1280 Resolution
Rear Camera 8 MP
Front Camera 1 MP
Battery 2500 mAh
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