Microsoft Lumia 640 LTE

NETWORK    Technology      
GSM / HSPA / LTE
LAUNCH  Announced       2015, March
Status  Available. Released 2015, April
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     Micro-SIM
DISPLAY Type    IPS LCD capacitive touchscreen, 16M colors
Size    5.0 inches (~67.6% screen-to-body ratio)
Resolution      720 x 1280 pixels (~294 ppi pixel density)
Multitouch      Yes
Protection      Corning Gorilla Glass 3
        - ClearBlack display
PLATFORM        OS      Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Chipset Qualcomm MSM8926 Snapdragon 400
CPU     Quad-core 1.2 GHz Cortex-A7
GPU     Adreno 305
MEMORY  Card slot       microSD, up to 256 GB (dedicated slot)
Internal        8 GB, 1 GB RAM
CAMERA  Primary 8 MP, f/2.2, 28mm, autofocus, LED flash, check quality
Features        1/4" sensor size
Video   1080p@30fps, check quality
Secondary       1 MP, 720p
SOUND   Alert types     Vibration; MP3, WAV ringtones
Loudspeaker     Yes
3.5mm jack      Yes
COMMS   WLAN    Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth       v4.0, A2DP
GPS     Yes, with A-GPS, GLONASS, BDS
NFC     Yes
Radio   FM radio
USB     microUSB v2.0
FEATURES        Sensors Accelerometer, proximity, compass
Messaging       SMS (threaded view), MMS, Email, Push Email, IM
Browser HTML5
Java    No
        - MP3/WAV/eAAC+/WMA player
- MP4/H.264/WMV player
- OneDrive (30 GB cloud storage)
- Document viewer
- Photo/video editor
BATTERY         Removable Li-Ion 2500 mAh battery
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)
MISC    Colors  Glossy cyan, Orange, White, Matte black
Price group     3/10
TESTS   Display Contrast ratio: 1034 (nominal), 2.563 (sunlight)
Camera  Photo / Video
Loudspeaker     Voice 70dB / Noise 65dB / Ring 75dB
Audio quality   Noise -93.1dB / Crosstalk -93.2dB
Battery life    
Endurance rating 76h