Microsoft Lumia 640 Dual SIM Technical Specifications

Microsoft Lumia 640 Dual SIM Tech Specifications

5.0"

Screen size

1 GB RAM

Memory capacity

8GB storage, microSDXC

Storage capacity

1080p

Сamera resolution

8 MP

Camera sensor

2500 mAh Li-Ion

Battery capacity

Full Specs:

Network

Specifications

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

Specifications

Announced:	2015, March. Released 2015, April
Status:	Discontinued

Body

Specifications

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

Specifications

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

Specifications

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

Specifications

Card slot:	microSDXC (dedicated slot)
Internal:	8GB 1GB RAM,eMMC 4.5

Main Camera

Specifications

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

Selfie camera

Specifications

Single:	1 MP
Video:	720p

Sound

Specifications

Loudspeaker:	Yes
3.5mm jack:	Yes

Comms

Specifications

WLAN:	Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth:	4.0, A2DP
GPS:	Yes, with A-GPS, GLONASS, BDS
NFC:	No
Radio:	FM radio
USB:	microUSB 2.0

Features

Specifications

Sensors:	Accelerometer, proximity, compass

Battery

Specifications

Type:	Li-Ion 2500 mAh, removable
Talk time:	Up to 27 h 30 min (2G) / Up to 20 h 30 min (3G)
Stand-by:	Up to 840 h (2G) / Up to 840 h (3G)

Misc

Specifications

Colors:	Glossy cyan, Orange, White, Matte black
Price:	About 170 EUR

Tests

Specifications

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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