Microsoft Lumia 640 Dual SIM

Display5.0" 720 x 1280 pixels
ChipsetQualcomm MSM8926 Snapdragon 400 (28 nm)
Main camera8MP
Battery2500 mAh
Lumia 640 Dual SIM product photo
4.8GoSolo score
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Network

Technology
GSM / HSPA
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
HSDPA 850 / 900 / 1900 / 2100
Speed
HSPA 42.2/5.76 Mbps

Launch

Announced
2015, March. Released 2015, April
Status
Discontinued

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
Features
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
Type
eMMC 4.5

Main Camera

Modules
8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Features
LED flash
Video
1080p@30fps

Selfie Camera

Module
1 MP
Features
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

Misc

Colors
Glossy cyan, Orange, White, Matte black

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