| Specification | Microsoft Lumia 640 | |
|---|---|---|
| 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 | 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 | ||
| Display Type | IPS LCD | |
| Screen Size | 5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio) | |
| Resolution | 720 x 1280 pixels, 16:9 ratio (~294 ppi density) | |
| Screen Protection | Corning Gorilla Glass 3 | |
| Others | ClearBlack display | |
| Platform | ||
| Operating System | 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 | ||
| Card Slot | microSDXC (dedicated slot) | |
| Internal Storage | 8GB 1GB RAM | |
| Others | eMMC 4.5 | |
| Main Camera | ||
| Main Camera | 8 MP, f/2.2, 28mm (wide), 1/4.0", AF | |
| Features | LED flash | |
| Video | 1080p@30fps | |
| Selfie Camera | 1 MP | |
| Video | 720p | |
| Sound | ||
| Loudspeaker | Yes | |
| 3.5mm Jack | Yes | |
| Connectivity | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, hotspot | |
| Bluetooth | 4.0, A2DP | |
| Positioning | GPS, GLONASS, BDS | |
| NFC | No | |
| Radio | FM radio | |
| USB Type | microUSB 2.0 | |
| Features | ||
| Sensors | Accelerometer, proximity, compass | |
| Battery | ||
| Battery Type | Li-Ion 2500 mAh, removable | |
| Misc | ||
| Available Colors | Glossy cyan, Orange, White, Matte black | |
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