Microsoft unveils the 4th generation of Lumia devices: Lumia 640, Lumia 640XL

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Lumia 640
Steven Elop unveils the Lumia 640 at MWC2015
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Stephen Elop unveils the Lumia 640 at MWC2015

Continuing with their tradition of using Mobile World Congress event as a spring board to launch Lumia devices in the past (the Lumia 520 and Lumia 720 at MWC2013 and the ill-fated Nokia X at MWC 2014), the team from Redmond unveiled the 4th generation of Lumia devices today in Barcelona. Unintentionally leaked by Microsoft on the day before launch, the Lumia 640 and Lumia 640XL builds on Microsoft’s strategy on providing the best value for consumers in the mid to lower price tiers.

Though launched with Windows Phone 8.1 (Update 1), the 4th generation of Lumia devices (designated with the number “4” in the model code) has been designed to be fully upgradeable to Microsoft’s next operating system, Windows 10. Comparing the specs of the Lumia 640 to the previous generation Lumia 630, it is evident that Microsoft is aggressively cascading high end features to lower price points. In fact the Lumia 640 is more akin to the Lumia 730 series than the Lumia 630. It brings a 1280×720 screen (versus 800×480 on the 630) , a 8MP rear screen camera (versus a 5 MP camera without flash) and like the recently announced Lumia 435 and Lumia 532, the Lumia 640 will come with 1 GB of RAM (versus 512 MB). This strategy is critical in fending of the stiff challenges from new entrants in the affordable smartphone space such as Techno and WikoMobile.

The Lumia 640 will come with a 2500 mAH battery, several colors including Blue, Orange, Green and Black. It will be available in both single SIM and dual SIM variants. It will be available in April 2015 at the affordable prices (before taxes and subsidies):

  • 3G – 139 Euros, 155 US Dollars , KES 14219
  • 4G version – 159 Euros, 178 US Dollars, KES 16,265

Microsoft envisions the Lumia 640 and Lumia 640 XL as great devices for enterprise with features such as Office, Outlook OneDrive and Skype. As such, both devices will come with a free 1 year subscription to Office 365. This package will include:

  • Office 365 license installable on one PC (Windows or Mac) and one tablet (Android, iOS or Windows)
  • 1 Terabyte of online storage on OneDrive
  • 60 minutes per month of Skype World.

Specifications

Lumia 640 Lumia 630 Lumia 730
Pricing $155 3G, $178 4G $159 $260
Design
Device type Smart phone Smart phone Smart phone
OS Windows Phone 8.1 Lumia Denim UI Windows Phone 8.1 Lumia Denim UI Windows Phone 8.1 Lumia Denim UI
Display
Physical size 5.0 inches 4.5 inches 4.7 inches
Resolution 720 x 1280 pixels 480 x 854 pixels 720 x 1280 pixels
Pixel density 294 ppi 218 ppi 312 ppi
Technology IPS LCD IPS LCD OLED
Touchscreen Multi-touch Multi-touch Multi-touch
Features Light sensor, Proximity sensor, Scratch-resistant glass (Corning Gorilla Glass 3) Proximity sensor, Scratch-resistant glass (Corning Gorilla Glass 3) Light sensor, Proximity sensor, Scratch-resistant glass (Corning Gorilla Glass 3)
Camera
Camera 8.0 megapixels 5 megapixels 6.7 megapixels
Flash LED LED
Camcorder 1920×1080 (1080p HD) (30 fps) 1280×720 (720p HD) (30 fps) 1920×1080 (1080p HD) (30 fps)
Features Video calling Continuous autofocus, Video sharing Continuous autofocus, Video sharing
Front-facing camera 1MP megapixels N/A 5 megapixels
Hardware
System chip Qualcomm Snapdragon 200 Qualcomm Snapdragon 400 Qualcomm Snapdragon 400
Processor Quad core Quad core, 1200 MHz, ARM Cortex-A7 Quad core, 1200 MHz, ARM Cortex-A7
Graphics processor Yes Adreno 305 Adreno 305
System memory 1024 MB RAM 512 MB RAM 1024 MB RAM
Built-in storage 8 GB 8 GB 8 GB
Storage expansion microSD, microSDHC, microSDXC up to 128 GB microSD, microSDHC, microSDXC up to 128 GB microSD, microSDHC, microSDXC up to 128 GB
Battery
Capacity 2500 mAh 1830 mAh 2220 mAh
Multimedia
Radio FM FM FM
Speakers Earpiece, Stereo speakers Earpiece, Loudspeaker Earpiece, Loudspeaker
Internet browsing
Technology
GSM 850, 900, 1800, 1900 MHz 850, 900, 1800, 1900 MHz 850, 900, 1800, 1900 MHz
UMTS 850, 900, 1900, 2100 MHz 900, 2100 MHz 850, 900, 1900, 2100 MHz
Data HSDPA+ (4G) 21.1 Mbit/s, HSUPA 5.76 Mbit/s, EDGE, GPRS HSDPA+ (4G) 21.1 Mbit/s, HSUPA 5.76 Mbit/s, EDGE, GPRS HSDPA+ (4G) 21.1 Mbit/s, HSUPA 5.76 Mbit/s, EDGE, GPRS
Micro SIM Yes Yes Yes
Multiple SIM cards 2 slots 2 slots
Positioning GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning A-GPS, Glonass, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning
Navigation Turn-by-turn navigation, Voice navigation, Points of interest (POI) Turn-by-turn navigation, Voice navigation, Points of interest (POI) Turn-by-turn navigation, Voice navigation, Points of interest (POI)
Connectivity
Bluetooth 4.0 4.0 4.0
Wi-Fi 802.11 b, g, n 802.11 b, g, n 802.11 b, g, n
Mobile hotspot Yes Yes Yes
USB USB 2.0 USB 2.0 USB 2.0
Connector microUSB microUSB microUSB
Features Mass storage device, USB charging Mass storage device, USB charging Mass storage device, USB charging
Other NFC, Computer sync, OTA sync NFC, Computer sync, OTA sync NFC, Computer sync, OTA sync
Other features
Notifications Service lights, Haptic feedback, Music ringtones (MP3), Vibration, Flight mode, Silent mode, Speakerphone Music ringtones (MP3, WAV), Vibration, Flight mode, Silent mode, Speakerphone Service lights, Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Additional microphone(s) Yes for Noise cancellation
Sensors Accelerometer Accelerometer Accelerometer, Compass
Other Voice dialing, Voice commands, Voice recording Voice dialing, Voice commands, Voice recording Voice dialing, Voice commands, Voice recording, TTY/TDD
Availability
Officially announced 2-Mar-15 2-Apr-14 4-Sep-14
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