archiveMicrosoft Lumia 640 Dual SIM
Microsoft Lumia 640 Dual SIM
Microsoft Lumia 640 Dual SIM — Full Specifications
Released Discontinued. 42 specification entries, TAC codes and unlock services for this model.
General
- Battery Stand-by
- Up to 840 h (2G) / Up to 840 h (3G)
- Battery Talk time
- Up to 27 h 30 min (2G) / Up to 20 h 30 min (3G)
- Battery Type
- Li-Ion 2500 mAh, removable
- Body Dimensions
- 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
- Body SIM
- Dual SIM (Micro-SIM, dual stand-by)
- Body Weight
- 145 g (5.11 oz)
- Comms Bluetooth
- 4.0, A2DP
- Comms NFC
- No
- Comms Positioning
- GPS, GLONASS, BDS
- Comms Radio
- FM radio
- Comms USB
- microUSB 2.0
- Comms WLAN
- Wi-Fi 802.11 b/g/n, DLNA, hotspot
- Display Protection
- Corning Gorilla Glass 3
Display Resolution720 x 1280 pixels, 16:9 ratio (~294 ppi density) Display Size5.0 inches, 68.9 cm 2 (~67.6% screen-to-body ratio) Features SensorsAccelerometer, proximity, compass Launch Announced2015, March. Released 2015, April Launch StatusDiscontinued Main Camera FeaturesLED flash Main Camera Single8 MP, f/2.2, 28mm (wide), 1/4.0", AF Main Camera Video1080p@30fps Memory Card slotmicroSDXC (dedicated slot) Memory Internal8GB 1GB RAM Misc ColorsGlossy cyan, Orange, White, Matte black Network 2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 Network 3G bandsHSDPA 850 / 900 / 1900 / 2100 Network SpeedHSPA 42.2/5.76 Mbps Network TechnologyGSM / HSPA Our Tests Audio qualityNoise -93.1dB / Crosstalk -93.2dB Our Tests Battery (old)Endurance rating 76h Our Tests DisplayContrast ratio: 1034 (nominal), 2.563 (sunlight) Our Tests LoudspeakerVoice 70dB / Noise 65dB / Ring 75dB Platform CPUQuad-core 1.2 GHz Cortex-A7 Platform ChipsetQualcomm MSM8926 Snapdragon 400 (28 nm) Platform OSMicrosoft Windows Phone 8.1, upgradable to Microsoft Windows 10 Other model numbers in this family
The same device ships under several model numbers. Pick the one printed on your unit.
