Microsoft Lumia 640, черен, поддържа 2 sim карти, 5" (12.7 cm), четири-ядрен Qualcomm Snapdragon 400 1.2GHz, 1GB RAM, 8GB Flash памет (+microSD слот), 8.0 & 0.9 Mpix camera, Windows Phone 8.1, 145g

Microsoft Lumia 640 Lumia 640 Dual SIM
Black


Display

Display size: 5 ''
Display resolution: HD720 (1280 x 720)
Display colours: TrueColor (24-bit/16M)
Display technology: ClearBlack, IPS LCD
Pixel density: 294 ppi
Display features: Sunlight readability enhancements, Corning® Gorilla® Glass 3, Easy to clean, Lumia Color profile
Touch screen technology: Capacitive Multipoint-Touch


Camera
Main camera

Main camera: 8.0 MP
Main camera focus type: Auto focus
Camera digital zoom: 4 x
Sensor size: 1/4 inch
Main camera f-number/aperture: f/2.2
Camera focal length: 28 mm
Flash type: LED flash
Camera features: Backside-illuminated image sensor, Dynamic flash, Rich capture
Camera minimum focus range: 10 cm


Front-facing camera

Front camera: HD 0.9 MP wide angle
Front camera f-number/aperture: f/2.4
Front camera features: Still image capture, Video call, Video recording
Front camera video resolution: 720p (HD, 1280 x 720)


Design

Design details: Exchangeable back cover
Other user interface features: Double-tap to wake, Glance screen, Tactile feedback, Vibrating alerts, Voice commands, Word flow keyboard


Processor

CPU name: Qualcomm® Snapdragon™ 400
Number of cores: Quad core
Clock rate: 1200 MHz


Memory

Mass memory: 8 GB
RAM: 1 GB
Maximum memory card size: 128 GB
Expandable memory card type: MicroSD


Connectivity basics

SIM card type: Micro SIM
Dual SIM: Dual Standby SIM
AV connectors: 3.5 mm stereo headset connector
Charging connectors: Micro-USB
System connectors: Micro-USB-B
USB: USB 2.0

Bluetooth: Bluetooth 4.0
Bluetooth profiles: Advanced Audio Distribution Profile (A2DP) 1.2, Audio/Video Remote Control Profile (AVRCP) 1.4, Generic Attribute Profile (GATT), Hands-free profile (HFP) 1.6, Human Interface Device Profile (HID), Object Push profile (OPP) 1.1, Personal Area Network Profile (PAN) 1.0, Phone Book Access Profile (PBAP) 1.1, Message Access Profile (MAP)

Wi-Fi: WLAN IEEE 802.11 b/g/n
Wi-Fi hotspot: Up to 8 Wi-Fi-enabled devices

Cellular connectivity

GSM network: 850 MHz, 900 MHz, 1800 MHz, 1900 MHz
GSM max data speed DL: EGPRS 296.0 kbps
GSM max data speed UL: EGPRS 236.8 kbps

WCDMA network: Band 1 (2100 MHz), Band 2 (1900 MHz), Band 5 (850 MHz), Band 8 (900 MHz)
WCDMA max data speed DL: 42.2 Mbps (Cat 24)
WCDMA max data speed UL: 5.76 Mbps (Cat 6)


Battery

Replaceable battery: Yes
Battery capacity: 2500 mAh
Battery voltage: 3.8 V
Maximum standby time with dual SIM: 35 days
Maximum talk time (2G): 27.3 h
Maximum talk time (3G): 20.3 h
Maximum music playback time: 86 h
Maximum Wi-Fi network browsing time: 10.9 h
Maximum video playback time: 8.7 h

Operating System
Software release: Windows Phone 8.1 with Lumia Denim

Size & weight

Height1: 141.3 mm
Width2: 72.2 mm
Thickness3: 8.8 mm
Weight: 145 g



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