Microsoft Lumia 640 LTE Dual SIM


5 inch
720 X 1280 pixels
8MP
1080p
1GB RAM
Snapdragon 400
2500mAh
Li-Ion Battery
Microsoft Windows Phone 8.1 with Lumia Denim
Launched in Apr 2015
8.8mm thickness
microSD, upto 256GB slot
4903 HITS
Available

Current Status


Status Available
Publicized 2015, March
Launch Launched in Apr 2015

Outer Specs


Dimensions 141.3 x 72.2 x 8.8 mm
Weight 145 grams
Sim Type Dual SIM
Sim Size Micro-SIM
Display Size 5 inches (~294 ppi pixel density)
Resolution 720 X 1280 pixels
Display Type IPS LCD capacitive touchscreen, 16M colors
Protection Corning Gorilla Glass 3
Cirtificates No
Display UI ClearBlack display
Multi Touch Yes
Other Features -

Internal Specs


Network Support 2G,3G,4G network
Phonebook Unlimited
Call Records 500
Internet Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Operating System Microsoft Windows Phone 8.1 with Lumia Denim
GPRS Yes
EDGE Yes
CPU Quad-core 1.2 GHz Cortex-A7
GPU Adreno 305
Internal Memory 8 GB
External Memory microSD, upto 256GB slot  
RAM 1 GB
Other Features -

Camera/Audio


Primary Camera 8 MP
Cam Features 1/4" sensor size,f/2.2, 28mm, autofocus, LED flash pixels
Secondary Camera 1 MP
Features 720p
Loudspeakers Yes
Alert Types Vibration; MP3, WAV ringtones
Radio Yes, FM Radio
3.5mm Audio Jack Yes  
Other Features -

Connectivity


Bluetooth v4.0, A2DP
WLAN Wi-Fi 802.11 b/g/n, DLNA, hotspot
NFC Yes, NFC Ready
Network Type 2G,3G,4G
GPS Yes, with A-GPS, GLONASS, BDS
USB microUSB v2.0
Radio Yes, FM Radio
Other Features -

Battery


Battery Removable Li-Ion 2500 mAh battery
Battery mAh 2500mAh
Messaging SMS (threaded view), MMS, Email, Push Email, IM
Sensors Accelerometer, proximity, compass
Video Suppport MP4/H.264
Audio Support MP3/WAV/WMA/eAAC+/FLAC

Additional Features


MP3/WAV/eAAC+/WMA player
MP4/H.264/WMV player
OneDrive (30 GB cloud storage)
Document viewer
Photo/video editor