Microsoft Lumia 640 LTE : Advantages and Disadvantages

The Microsoft Lumia 640 LTE  is the version of Lumia 640 with 4G LTE connectivity, maintaining the same specifications, such as HD 5-inch screen, running Windows Phone 8.1, 8-megapixel rear camera, quad-core 1.2 GHz, 1GB of RAM, 8GB of internal storage, front camera and FM radio.




GENERAL
Net
GSM 850/900/1800/1900 (SIM 1 & SIM 2 optional) - HSDPA 850/900/1900/2100 - LTE
Announced
2015, March
Status
Soon

SIZE
Dimensions
141.3 x 72.2 x 8.8 mm
Weight
145 g

DISPLAY
Kind
IPS LCD capacitive touchscreen, 16M colors
Size
720 x 1280 pixels, 5.0 inches

- ClearBlack Display 
- Screen Gorilla Glass 3
 
- multitouch support
 
- Accelerometer sensor for auto-rotate
 
- Proximity sensor for auto turn-off

RINGTONES
Kind
Polyphonic, MP3, WAV
Customization
Downloads
Vibration
Yes

- 3.5 mm audio connector

MEMORY
Phonebook
Practically unlimited entries and fields, Photo call
Call log
Practically Unlimited
Card slot
microSD, up to 128GB

- 8GB internal memory, 1GB RAM 
- Processor Qualcomm Snapdragon 400 quad-core 1.2GHz, Adreno 305 GPU

CHARACTERISTICS
GPRS
Yes
Data Rate
OS
Microsoft Windows Phone 8.1 with Lumia Denim
Messaging
SMS, MMS, Email, Push Email, IM
Browser
HTML5
Clock
Yes
Alarm
Yes
Infrared port
Do not
Games
Yes + downloadable
Colors
Cyan, Orange, White, Black
Camera
8 MP, 3264 x 2448 pixels, autofocus, LED flash, geo-tagging, video 1080p @ 30fps, 1 MP front camera

- Dual SIM 
- Digital compass
 
- GPS with A-GPS and GLONASS
 
- EDGE
 
- 3G HSDPA 42Mbps / HSUPA 5.76Mbps
 
- 4G LTE Cat.4
 
- Wi-Fi 802.11 b / g / n;
 DLNA 
- Bluetooth v4.0 A2DP
 
- microUSB 2.0
 
- Editor / Microsoft office document viewer
 
- Active noise cancellation with dedicated microphone
 
- Video player MP4 / H.264 / WMV
 
- Audio player MP3 / WAV / eAAC + / WMA
 
- Radio FM Stereo
 
- Organizer
 
- Free 30GB in onedrive
 
- Memo / dialing / voice commands
 
- Built-in handsfree
 
- Predictive Text Input

BATTERY

Standard, Li-Ion 2500 mAh
Stand-by
Up to 864 h (2G) / Up to 864 h (3G)
Talk time
Up to 26 h 30 min (2G) / Up to 17 h 30 min (3G)


Advantages
  •  4G LTE connectivity
  •  Quad-core processor
  •  Good pixel density (294ppi)
  •  Big screen (5 ")
Disadvantages
  •  Little RAM (1GB)

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