Microsoft Lumia 640 Dual SIM Specifications
A brief overview of the Microsoft Lumia 640 Dual SIM phone specifications. This device is using Qualcomm MSM8926 Snapdragon 400 (28 nm) processor with 8GB 1GB RAM, eMMC 4.5 capacity.
The screen dimension is 5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio) and it's running the Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10.
It also comes with a 8 MP, f/2.2, 28mm (wide), 1/4.0", AF camera and has a Li-Ion 2500 mAh, removable battery capacity.
About 170 EUR
Specifications Overview
- Released Date
- Released 2015, April
- Display Dimension
- 5.0" 720x1280 pixels
- Device Body
- 145g, 8.8mm thickness
- Operating System
- Microsoft Windows Phone 8.1
- RAM Size
- 1 GB RAM
- Processor (CPU)
- Snapdragon 400
- Battery Capacity
- 2500 mAh
- Device Camera
- 8MP • 1080p
- Storage
- 8GB storage, microSDXC
Network
Network specifications for Microsoft Lumia 640 Dual SIM device
Technology
GSM / HSPA
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
HSDPA 850 / 900 / 1900 / 2100
Speed
HSPA 42.2/5.76 Mbps
Launch
Microsoft Lumia 640 Dual SIM launch date
Announced
2015, March. Released 2015, April
Status
Discontinued
Body
Body specifications for Microsoft Lumia 640 Dual SIM device
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)
Display
Display specifications for Microsoft Lumia 640 Dual SIM device
Type
IPS LCD
Size
5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio)
Resolution
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection
Corning Gorilla Glass 3, ClearBlack display
Platform
Platform specifications for Microsoft Lumia 640 Dual SIM device
OS
Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Chipset
Qualcomm MSM8926 Snapdragon 400 (28 nm)
CPU
Quad-core 1.2 GHz Cortex-A7
GPU
Adreno 305
Memory
Memory specifications for Microsoft Lumia 640 Dual SIM device
Card slot
microSDXC (dedicated slot)
Internal
8GB 1GB RAM, eMMC 4.5
Main Camera
Main Camera specifications for Microsoft Lumia 640 Dual SIM device
Single
8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Features
LED flash
Video
1080p@30fps
Selfie camera
Selfie camera specifications for Microsoft Lumia 640 Dual SIM device
Single
1 MP
Video
720p
Sound
Sound specifications for Microsoft Lumia 640 Dual SIM device
Loudspeaker
Yes
3.5mm jack
Yes
Comms
Comms specifications for Microsoft Lumia 640 Dual SIM device
WLAN
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth
4.0, A2DP
GPS
Yes, with A-GPS, GLONASS, BDS
NFC
No
Radio
FM radio
USB
microUSB 2.0
Features
Features specifications for Microsoft Lumia 640 Dual SIM device
Sensors
Accelerometer, proximity, compass
Battery
Battery specifications for Microsoft Lumia 640 Dual SIM device
Type
Li-Ion 2500 mAh, removable
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)
Misc
Misc specifications for Microsoft Lumia 640 Dual SIM device
Colors
Glossy cyan, Orange, White, Matte black
Price
About 170 EUR
Tests
Tests specifications for Microsoft Lumia 640 Dual SIM device
Display
Contrast ratio: 1034 (nominal), 2.563 (sunlight)
Loudspeaker
Voice 70dB / Noise 65dB / Ring 75dB
Audio quality
Noise -93.1dB / Crosstalk -93.2dB
Battery life
Endurance rating 76h
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