Microsoft Lumia 640 XL Dual SIM
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
157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in)
Weight
171 g (6.03 oz)
SIM
Dual SIM (Micro-SIM, dual stand-by)
Display
Type
IPS LCD
Size
5.7 inches, 88.9 cm2 (~69.1% screen-to-body ratio)
Resolution
720 x 1280 pixels, 16:9 ratio (~259 ppi density)
Protection
Corning Gorilla Glass 3
ClearBlack display
Platform
OS
Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Chipset
Qualcomm MSM8226 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
eMMC 4.5
Main Camera
Single
13 MP, f/2.0, 28mm (wide), 1/3.0″, AF
Features
Zeiss optics, LED flash
Video
1080p@30fps
Selfie camera
Single
5 MP
Video
1080p@30fps
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
Yes
Radio
FM radio
USB
microUSB 2.0
Features
Sensors
Accelerometer, proximity, compass, sensor core
Battery
Type
Li-Ion 3000 mAh, removable
Stand-by
Up to 936 h (2G) / Up to 936 h (3G)
Talk time
Up to 31 h 20 min (2G) / Up to 23 h 40 min (3G)
Misc
Colors
Matte cyan, Orange, Black, Matte white, Glossy white
Price
About 170 EUR
Tests
Display
Contrast ratio: 1119:1 (nominal), 3.065 (sunlight)
Camera
Photo / Video
Loudspeaker
Voice 72dB / Noise 67dB / Ring 73dB
Audio quality
Noise -93.0dB / Crosstalk -94.4dB
Battery (old)
Endurance rating 74h