| Brand | Microsoft |
| Model | Lumia 640 Global Dual SIM TD-LTE |
| Released | 2015 Mar |
| Hardware Designer | Microsoft Mobile |
| OEM ID | RM-1075 |
| General Extras | Haptic touch feedback |
| Device Category | Smartphone |
| Width | 72.2 mm |
| Height | 141.3 mm |
| Depth | 8.85 mm |
| Dimensions | 2.84×5.56×0.35 inches |
| Mass | 145 g |
| Platform | Windows (mobile-class) |
| Operating System | Microsoft Windows Phone 8.1 |
| CPU Clock | 1200 MHz |
| CPU | Qualcomm Snapdragon 400 MSM8926, 2013, 32 bit, quad-core, 16 Kbyte I-Cache, 16 Kbyte D-Cache, 1024 Kbyte L2, 28 nm, Qualcomm Adreno 305 GPU |
| RAM Type | Yes |
| RAM Capacity (converted) | 1 GiB RAM |
| Non-volatile Memory Interface | eMMC 4.5 |
| Non-volatile Memory Capacity (converted) | 8 GB ROM |
| Display Diagonal | 127 mm |
| Resolution | 720×1280 |
| Horizontal Full Bezel Width | 9.94 mm |
| Display Area Utilization | 67.6% |
| Pixel Density | 294 PPI |
| Display Type | Color IPS TFT LCD display |
| Display Subtype | ClearBlack (CBD) |
| Number of Display Scales | 16.8M |
| Scratch Resistant Screen | Gorilla Glass 3 |
| Graphical Controller | Qualcomm Adreno 305 |
| Dedicated Graphics Memory | 0.25 MiB |
| A/V Out | No |
| Microphone(s) | mono |
| Loudspeaker(s): | mono |
| Audio Output: | 3.5mm |
| Supported Cellular Bands | GSM850 , GSM900 , GSM1800 , GSM1900 , UMTS2100 (B1) , UMTS1900 (B2) , UMTS1700/2100 (B4) , UMTS850 (B5) , UMTS900 (B8) , LTE2100 (B1) , LTE1900 (B2) , LTE1800 (B3) , LTE1700/2100 (B4) , LTE850 (B5) , LTE2600 (B7) , LTE900 (B8) , LTE800 (B20) , TD-LTE2600 (B38) , TD-LTE2300 (B40) bands |
| Supported Cellular Data Links | GPRS , EDGE , UMTS , HSUPA , HSUPA 5.8 , HSDPA , HSPA+ 21.1 , DC-HSDPA 42.2 , LTE , LTE 100/50 , LTE 150/50 data links |
| SIM Card Slot | Micro-SIM (3FF) |
| Complementary Phone Services | Voice transmission , Voice speaker , Vibrate , Speakerphone |
| Dual Cellular Network Operation | Dual standby |
| Sec. Supported Cellular Networks: | GSM850 , GSM900 , GSM1800 , GSM1900 |
| Sec. Supported Cellular Data Links: | GPRS , EDGE |
| Sec. SIM Card Slot | Yes |
| Touchscreen Type | Capacitive multi-touch screen |
| Expansion Interfaces | TransFlash , microSD , microSDHC , microSDXC |
| USB | USB 2.0 |
| USB Services | USB charging |
| USB Connector | USB Micro-B (Micro-USB) |
| Bluetooth | Bluetooth 4.0 |
| Wireless LAN | 802.11b , 802.11g , 802.11n |
| Wireless Services | DLNA , Miracast , Wi-Fi Direct , Wi-Fi Tethering |
| NFC | Yes |
| FM Radio Receiver | FM radio (88-108 MHz) |
| Complementary Satellite Services | A-GPS , Geotagging , QuickGPS |
| Supported GLONASS protocol(s) | L1OF |
| Supported BeiDou system (BDS) | B1I BeiDou receiver |
| Camera Placement | Rear |
| Camera Image Sensor | BSI CMOS |
| Number of effective pixels | 8.0 MP camera |
| Aperture (W) | f/2.20 |
| Zoom | 1.0 x optical zoom |
| Focus | CD AF |
| Min. Equiv. Focal Length | 28 mm |
| Video Recording | 1920×1080 pixel |
| Flash | single LED |
| Camera Extra Functions | Macro mode |
| Aux. Camera Image Sensor | No |
| Aux. 2 Camera Image Sensor | No |
| Aux. 3 Camera Image Sensor | No |
| Aux. 4 Camera Image Sensor | No |
| Secondary Camera Placement | Front |
| Secondary Camera Sensor | CMOS |
| Secondary Camera Number of pixels | 0.9 MP sec. cam |
| Secondary Aperture (W) | f/2.40 |
| Secondary Video Recording | 1280×720 pixel |
| Sec. Aux. Cam. Image Sensor | No |
| Built-in compass | Yes |
| Built-in accelerometer | Yes |
| Additional sensors | L sensor , P sensor |
| Protection from solid materials | Yes |
| Protection from liquids | Yes |
| Battery | Li-ion |
| Nominal Battery Voltage | 3.80 Volts |
| Nominal Battery Capacity | 2500 mAh battery |
| Nominal Battery Energy | 9.50 Wh |
| Talk Time: | 21.0 hours |
| Market Countries | Germany , Hungary , Poland , Russia |
| Market Regions | Eastern Europe , Europe , Western Europe |
| Added | 2024-06-26 |
Specifications data description of this 📱Microsoft Lumia 640 Global Dual SIM TD-LTE📱
Title: The Unveiling of Our Latest Device: A Comprehensive Specification Overview 🌐📅🏋️🌈🤖🛠️🚀
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