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Microsoft Lumia 640 Dual SIM




Availability: In Stock
  • £116.66

  • Ex Tax:£116.66

Launch

Announced

2015, March. Released 2015, April




 


Body

Dimensions

141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)

Weight

145 g (5.11 oz)

SIM

Dual SIM (Micro-SIM, dual stand-by)


 


Display

Type

IPS LCD

Size

5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio)

Resolution

720 x 1280 pixels, 16:9 ratio (~294 ppi density)

Protection

Corning Gorilla Glass 3

 

ClearBlack display


 


Platform

OS

Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10

Chipset

Qualcomm MSM8926 Snapdragon 400 (28 nm)

CPU

Quad-core 1.2 GHz Cortex-A7

GPU

Adreno 305


 


Memory

Card slot

microSDXC (dedicated slot)

Internal

8GB 1GB RAM

 

eMMC 4.5


 


Main Camera

Single

8 MP, f/2.2, 28mm (wide), 1/4.0", AF

Features

LED flash

Video

1080p@30fps


 


Selfie camera

Single

1 MP

Video

720p


 


Sound

Loudspeaker

Yes

3.5mm jack

Yes


 


Comms

WLAN

Wi-Fi 802.11 b/g/n, DLNA, hotspot

Bluetooth

4.0, A2DP

Positioning

GPS, GLONASS, BDS

NFC

No

Radio

FM radio

USB

microUSB 2.0


 


Features

Sensors

Accelerometer, proximity, compass




 


Battery

Type

Li-Ion 2500 mAh, removable

Stand-by

Up to 840 h (2G) / Up to 840 h (3G)

Talk time

Up to 27 h 30 min (2G) / Up to 20 h 30 min (3G)


 







 


Tests

Display

Contrast ratio: 1034 (nominal), 2.563 (sunlight)

Loudspeaker

Voice 70dB / Noise 65dB / Ring 75dB

Audio quality

Noise -93.1dB / Crosstalk -93.2dB

Battery life

Endurance rating 76h


 


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