Microsoft Lumia 640 Dual SIM Specifications

1 MP, 720p

1/4" sensor size

8 MP, f/2.2, 28mm, autofocus, LED flash

1080p@30fps

141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)

145 g (5.11 oz)

Dual SIM (Micro-SIM, dual stand-by)

Glossy cyan, Orange, White, Matte black

About 170 EUR

4.0, A2DP

FM radio

Wi-Fi 802.11 b/g/n, DLNA, hotspot

microUSB 2.0

Yes, with A-GPS, GLONASS, BDS

Yes

Vibration; MP3, WAV ringtones

Yes

Noise -93.1dB / Crosstalk -93.2dB

Endurance rating 76h

Voice 70dB / Noise 65dB / Ring 75dB

Contrast ratio: 1034 (nominal), 2.563 (sunlight)

2015, March

Available. Released 2015, April

microSD, up to 256 GB (dedicated slot)

8 GB, 1 GB RAM

Up to 27 h 30 min (2G) / Up to 20 h 30 min (3G)

Up to 840 h (2G) / Up to 840 h (3G)

Removable Li-Ion 2500 mAh battery

720 x 1280 pixels, 16:9 ratio (~294 ppi density)

Corning Gorilla Glass 3

Yes

IPS LCD capacitive touchscreen, 16M colors

5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio)

- ClearBlack display

GSM / HSPA

HSDPA 850 / 900 / 1900 / 2100

GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2

HSPA 42.2/5.76 Mbps

Yes

Yes

SMS (threaded view), MMS, Email, Push Email, IM

Accelerometer, proximity, compass

HTML5

No

- MP3/WAV/eAAC+/WMA player - MP4/H.264/WMV player - OneDrive (30 GB cloud storage) - Document viewer - Photo/video editor

Qualcomm MSM8926 Snapdragon 400

Adreno 305

Quad-core 1.2 GHz Cortex-A7

Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10