Compare
Specifications
Microsoft Lumia 640 Dual SIM |
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Microsoft Lumia 640 Dual SIM |
Network | ||
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Technology | GSM / HSPA | |
2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
3G Network | HSDPA 850 / 900 / 1900 / 2100 | |
Speed | HSPA 42.2/5.76 Mbps |
Launch | ||
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Announced | 2015, March. Released 2015, April | |
Status | Discontinued |
Body | ||
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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 | ||
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Type | IPS LCD | |
Size | 5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio) | |
Resolution | 720 x 1280 pixels, 16:9 ratio (~294 ppi density) | |
Protection | Corning Gorilla Glass 3 | |
ClearBlack display |
Platform | ||
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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 | ||
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Card slot | microSDXC (dedicated slot) | |
Internal | 8GB 1GB RAM | |
eMMC 4.5 |
Main Camera | ||
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Modules | 8 MP, f/2.2, 28mm (wide), 1/4.0", AF | |
Features | LED flash | |
Video | 1080p@30fps |
Selfie Camera | ||
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Modules | 1 MP | |
Video | 720p |
ADVERTISEMENT
Sound | ||
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Loudspeaker | Yes | |
3.5mm jack | Yes |
Comms | ||
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WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot | |
Bluetooth | 4.0, A2DP | |
Positioning | GPS, GLONASS, BDS | |
NFC | No | |
Infrared port | No | |
Radio | FM radio | |
USB | microUSB 2.0 |
Features | ||
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Sensors | Accelerometer, proximity, compass |
Battery | ||
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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 | ||
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Colors | Glossy cyan, Orange, White, Matte black | Price | About 170 EUR |
Tests | ||
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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 | |