| Local Name | Lumia 640 XL LTE Dual SIM |
| Technology | GSM / HSPA / LTE |
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40 |
| 3G Bands | HSDPA 850 / 900 / 1700 / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Announced | 2015, March. Released 2015, April |
| Status | Discontinued |
| Dimensions | 157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in) |
| Weight | 171 g (6.03 oz) |
| SIM | Dual SIM (Micro-SIM, dual stand-by) |
| Display Type | Li-Ion 3000 mAh, removable |
| Screen Size | 5.7 inches, 88.9 cm2 (~69.1% screen-to-body ratio) |
| Resolution | 720 x 1280 pixels, 16:9 ratio (~259 ppi density) |
| Protection | Corning Gorilla Glass 3 | ClearBlack display |
| OS | Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 |
| Chipset | Qualcomm MSM8226 Snapdragon 400 (28 nm) |
| CPU | Quad-core 1.2 GHz Cortex-A7 |
| GPU | Adreno 305 |
| Card Slot | microSDXC (dedicated slot) |
| Internal Memory | 8GB 1GB RAM | eMMC 4.5 |
| Camera Features | Zeiss optics, LED flash |
| Video | 1080p@30fps |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| Bluetooth | 4.0, A2DP |
| NFC | Yes |
| Radio | FM radio |
| USB | microUSB 2.0 |
| Sensors | Accelerometer, proximity, compass, sensor core |
| Stand By | Up to 936 h (2G) / Up to 936 h (3G) |
| Talk Time | Up to 31 h 20 min (2G) / Up to 23 h 40 min (3G) |
| Colors | Matte cyan, Orange, Black, Matte white, Glossy white |
