Microsoft Lumia 640 Dual SIM - Full Phone Specifications

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723
Released 2015, April
145g, 8.8mm thickness
Microsoft Windows Phone 8.1
$211
8GB storage, microSD card slot
5.0"
720x1280
pixels
8MP
1080p
1GB RAM
Snapdragon 400
2500mAH
Li-Ion

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 Dual SIM (Micro-SIM, dual stand-by)
Network
Technology GSM / HSPA
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3g bands HSDPA 850 / 900 / 1900 / 2100
GPRS Yes
EDGE Yes
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
Display
Type IPS LCD capacitive touchscreen, 16M colors
Size 5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Multitouch Yes
Protection Corning Gorilla Glass 3
Feature - ClearBlack display
Camera
Primary 8 MP (f/2.2, 28mm, 1/4"), autofocus, LED flash
Features Geo-tagging
Video 1080p@30fps
Secondary 1 MP, 720p
Memory
Card Slot microSD, up to 256 GB (dedicated slot)
Internal 8 GB, 1 GB RAM
Comms
WLAN Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth 4.0, A2DP
GPS Yes, with A-GPS, GLONASS, BDS
Radio FM radio
USB microUSB 2.0
Battery
Battery Removable Li-Ion 2500 mAh battery
Stand-by Up to 840 h (2G) / Up to 840 h (3G)
Talk time Up to 27 h 30 min (2G) / Up to 20 h 30 min (3G)
Sound
Alert types Vibration; MP3, WAV ringtones
Loudspeaker Yes
3.5mm jack Yes
Features
Sensors Accelerometer, proximity, compass
Messaging SMS (threaded view), MMS, Email, Push Email, IM
Browser HTML5
Java - MP3/WAV/eAAC+/WMA player
- MP4/H.264/WMV player
- OneDrive (30 GB cloud storage)
- Document viewer
- Photo/video editor
Color
Color Glossy cyan, Orange, White, Matte black
Price $211
Tests
Display Contrast ratio: 1034 (nominal), 2.563 (sunlight)
Loudspeaker Voice 70dB / Noise 65dB / Ring 75dB
Audio quality Noise -93.1dB / Crosstalk -93.2dB
Disclaimer
Disclaimer We can not guarantee that the information on this page is 100% correct.