Lumia 640 Dual SIM By MICROSOFT
Bands
5g
4g
3g
2g
4g
3g
2g
Variants
1gb RAM, Internal Memory 8gb
Battery
2500 (mah) - Li-Ion (Removable)
Placeholder
Memory
Card slot
microSDXC (dedicated slot)
Internal
8GB 1GB RAM
eMMC 4.5
eMMC 4.5
Main Camera
Features
LED flash
Single
8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Video
1080p@30fps
Selfie Camera
Single
1 MP
Video
720p
Body
Dimensions
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
SIM
Dual SIM (Micro-SIM, dual stand-by)
Weight
145 g (5.11 oz)
Display
Protection
Corning Gorilla Glass 3
ClearBlack display
ClearBlack display
Resolution
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Size
5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio)
Type
IPS LCD
Sound
35mm jack
Yes
Loudspeaker
Yes
Network
2G
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G
HSDPA 850 / 900 / 1900 / 2100
Speed
HSPA 42.2/5.76 Mbps
Technology
GSM / HSPA
Communications
Bluetooth
4.0, A2DP
GPS
Yes, with A-GPS, GLONASS, BDS
NFC
No
Radio
FM radio
USB
microUSB 2.0
WLan
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Features
Sensors
Accelerometer, proximity, compass
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)
Type
Li-Ion 2500 mAh, removable
Miscellaneous
Colors
Glossy cyan, Orange, White, Matte black
Price
About 170 EUR
Test Details
Audio quality
Noise -93.1dB / Crosstalk -93.2dB
Battery life
Endurance rating 76h
Display
Contrast ratio: 1034 (nominal), 2.563 (sunlight)
Loudspeaker
Voice 70dB / Noise 65dB / Ring 75dB