Microsoft Lumia 640 Dual SIM
Discover the Microsoft Lumia 640 Dual SIM specifications, including camera, display, battery, and features. Compare on DigitalNerds.
Key Features
5.0 inches, 68.9 cm,2,(~67.6% screen-to-body ratio)
720 x 1280
8 MP
1080p@30fps
1GB RAM
Qualcomm MSM8926 Snapdragon 400 (28 nm)
Li-Ion 2500 mAh, removable
Full Specifications
Network
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
Announced: 2015, March. Released 2015, April
Status: Discontinued
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)
Display
Type: IPS LCD
Size:
- 5.0 inches, 68.9 cm
- 2
- (~67.6% screen-to-body ratio)
Resolution: 720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection: Corning Gorilla Glass 3
Platform
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
Card slot: microSDXC (dedicated slot)
Internal: 8GB 1GB RAM
Main Camera
Single: 8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Features: LED flash
Video: 1080p@30fps
Selfie camera
Single: 1 MP
Video: 720p
Sound
Loudspeaker: Yes
3.5mm jack: Yes
Comms
WLAN: Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth: 4.0, A2DP
Positioning: GPS, GLONASS, BDS
NFC: No
Radio: FM radio
USB: microUSB 2.0
Features
Sensors: Accelerometer, proximity, compass
Battery
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
Colors: Glossy cyan, Orange, White, Matte black
Price: About 170 EUR
Tests
Display: Contrast ratio: 1034 (nominal), 2.563 (sunlight)
Loudspeaker: Voice 70dB / Noise 65dB / Ring 75dB
Audio quality: Noise -93.1dB / Crosstalk -93.2dB
Battery (old): Endurance rating 76h
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