| Brand: | Microsoft |
| Model: | Lumia 640 LTE Dual SIM |
| Type: | Smartphone |
| Release Date: | 2015 |
| Size: | 5.0 inches, 68.9 cm2 |
| Resolution: | 720 x 1280 pixels, 16:9 ratio (~294 ppi density) |
| Technology: | IPS LCD |
| Protection: | Corning Gorilla Glass 3 |
| Main Specs: | 8 MP, f/2.2, 28mm (wide), 1/4.0", AF |
| Main Features: | LED flash |
| Main Video: | 1080p@30fps |
| Selfie Specs: | 1 MP |
| Selfie Video: | 720p |
| Capacity: | 2500 mAh |
| Type: | Li-Ion |
| Chipset: | Qualcomm MSM8926 Snapdragon 400 (28 nm) |
| Cpu: | Quad-core 1.2 GHz Cortex-A7 |
| Gpu: | Adreno 305 |
| Ram: | 1GB |
| Storage: | 8GB |
| Expandable: | microSDXC (dedicated slot) |
| Os: | Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 |
| 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) |
| Wifi: | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| Bluetooth: | 4.0, A2DP |
| Nfc: | Yes |
| Usb: | microUSB 2.0 |
| Headphone Jack: | Yes |
| Network: | GSM / HSPA / LTE |
| Sensors: | Accelerometer, proximity, compass |
| Colors: | Glossy cyan, Orange, White, Matte black |
| Usd: | ~162 USD |
