Berikut Spesifikasi Harga Microsoft Lumia 640 LTE
| KONEKSI | 2G Network | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 2100 | |
| 4G Network | LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800) | |
| Kecepatan | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | |
| GPRS | Ya | |
| EDGE | Ya | |
| SIM | Micro-SIM | |
| Diumumkan | Maret 2015 | |
| Status | April 2015 | |
| BODY | Dimensi | 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) |
| Berat | 145 g | |
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| TAMPILAN | Layar | 5.0 inci |
| Type | IPS LCD capacitive touchscreen, 16M colors | |
| Resolusi | 720 x 1280 pixels | |
| Multitouch | Ya | |
| Protection | Corning Gorilla Glass 3 | |
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| SOUND | Alert types | Vibration; MP3, WAV ringtones |
| Loudspeaker | Ya | |
| 3.5mm jack | Ya | |
| MEMORI | Card Slot | microSD, up to 128 GB |
| Internal | 8 GB | |
| PLATFORM | OS | Microsoft Windows Phone 8.1 dengan Lumia Denim |
| RAM | 1 GB | |
| CPU | Quad-core 1.2 GHz Cortex-A7 | |
| Chipset | Qualcomm MSM8926 Snapdragon 400 | |
| GPU | Adreno 305 | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, hotspot | |
| Bluetooth | v4.0, A2DP | |
| GPS | A-GPS, GLONASS, Beidou | |
| USB | microUSB v2.0 | |
| KAMERA | Belakang | 8 MP, 3264 x 2448 pixels, autofocus, LED flash |
| Depan | 1 MP, 720p | |
| Video | 1080p@30fps | |
| FITUR | Sensor | Accelerometer, proximity, compass |
| SMS | SMS(threaded view), MMS, Email, Push Mail, IM | |
| Browser | HTML5 | |
| Java | Tanpa Java - Active noise cancellation with dedicated mic - MP3/WAV/eAAC+/WMA player - MP4/H.264/WMV player - OneDrive (30 GB cloud storage) - Document viewer - Photo/video editor | |
| BATERAI | Li-Ion 2500 mAh | |
| Stand by | - | |
| Talk Time | - | |
| WARNA | Glossy Cyan, Orange, White, Matte Black | |
| HARGA | - Variasi sesuai negara |