Lumia 640 Dual SIM - Microsoft Mobile Phones: Technical Specifications, Features and Reviews
Submitted By Asha Manoj on 1 December 2015
- Manufacturer : Microsoft
- Model : Lumia 640 Dual SIM
- OS : Microsoft Windows Phone 8.1 with Lumia Denim
- Network : GSM / HSPA
- Dimensions : 141.3 x 72.2 x 8.8 mm
- Weight : 145 g
- SIM Type : Dual SIM (Micro-SIM, dual stand-by)
- Available Colors : Glossy cyan, Orange, White, Matte black
The Microsoft Lumia 640 Dual SIM is a smartphone, features a 5-inch IPS ClearBlack multi touch display with HD resolution and a pixel density of 294ppi. On the inside, It is packed with a 1.2GHz quad-core Cortex A7 processor from Qualcomm Snapdragon 400 chipset.
The smartphone features an 8MP autofocus rear facing camera and for selfie and video calling, it houses a 1MP front camera. It comes with an inbuilt memory of 8GB which can be further expanded up to 128GB. It is fuelled by a 2,500mAh Li-ion battery. Connectivity option includes 3G, NFC, tethering, DLNA, computer sync, Wi-Fi, USB port, OTA sync, GLONASS, Bluetooth v4.0 and GPS/A-GPS.
Hardware Specification
- Processor : Quad-core 1.2 GHz Cortex-A7
- RAM Size : 1 GB
- Internal Storage : 8 GB
- Expandable Storage : microSD, up to 128 GB
Display Specification
- Display Type : IPS LCD capacitive touchscreen, 16M colors
- Display Size : 5.0 inches
- Touchscreen : Yes
- Display Resolution : 720 x 1280 pixels
- Display Multitouch : Yes
- Display Protection : Corning Gorilla Glass 3
- Main Camera : 8 MP
- Main Camera Flash : Yes
- Main Camera Auto Focus : Yes
- Main Camera Video Recording Resolution : 1080p@30fps
- Front Camera : 1 MP
Battery Specification
- Battery Capacity : Li-Ion 2500 mAh
- Talk Time : Up to 27 h 30 min (2G) / Up to 20 h 30 min (3G)
Connectivity
- Standby Time : Up to 840 h (2G) / Up to 840 h (3G)
- Operating Frequency : 850 / 900 / 1800 / 1900 MHZ, 850 / 900 / 1900 / 2100 MHZ
- Connectivity Internet : Yes
- Connectivity 3G : Yes
- Connectivity WiFi : Wi-Fi 802.11 b/g/n, DLNA, hotspot
- Connectivity Bluetooth : v4.0, A2DP
- Connectivity USB : microUSB v2.0
- Connectivity FM : Yes
Location Technology
- Location GPS : Yes
- Location Glonass : Yes
- Location Beidou : Yes
Sound
- Alert Types : Vibration; MP3, WAV ringtones
- Loudspeaker : Yes
- Mobile Earjack : 3.5 mm
Audio and Video
- Video Playing Format : MP4/H.264/WMV player
- Audio Playing Format : MP3/WAV/eAAC+/WMA player
Sensors
- Accelerometer Sensor : Yes
- Proximity Sensor : Yes