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
Lumia 640 Global Dual SIM TD-LTE
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 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
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 ๐Ÿ“ฑMicrosoft Lumia 640 Global Dual SIM TD-LTE๐Ÿ“ฑ

Title: The Unveiling of Our Latest Device: A Comprehensive Specification Overview ๐ŸŒ๐Ÿ“…๐Ÿ‹๏ธ๐ŸŒˆ๐Ÿค–๐Ÿ› ๏ธ๐Ÿš€

Welcome, tech enthusiasts! We are thrilled to announce the launch of our latest device, packed with an array of cutting-edge features and specifications that promise to deliver an extraordinary user experience. In this blog post, we’ll be taking a deep dive into the nitty-gritty of this incredible piece of technology, covering aspects such as the network, design, specifications, and much more. So, buckle up and let’s get started!

Lineup and Design:
Our latest device belongs to a lineup of high-performance gadgets that are designed to cater to the needs of both casual and power users. The device boasts a sleek and ergonomic design, with a slim profile and a premium finish. Its compact form factor ensures a comfortable grip, while the vivid and vibrant ๐ŸŒˆ DISPLAY promises an immersive visual experience.

Let’s take a closer look at some of the key specifications that make this device stand out from the crowd:

๐ŸŒNETWORK – Stay connected on the go with blazing fast 5G connectivity and robust Wi-Fi 6 support ๐Ÿ“ถ

๐Ÿ“…LAUNCH – Timed to perfection for those who crave the latest and greatest, our device promises seamless compatibility with the latest apps and software ๐Ÿค–

๐Ÿ‹๏ธBODY – Featuring a premium build, the device offers resistance to daily wear and tear ๐Ÿ› ๏ธ

๐Ÿค– OS – A lightning-fast, user-friendly operating system that caters to all your needs ๐Ÿ“…

๐Ÿš€ Chipset – Powered by a cutting-edge chipset that delivers unparalleled performance and power efficiency ๐ŸŒ

๐Ÿ’ช CPU – A powerful processor that guarantees smooth multitasking and a lag-free experience ๐Ÿ–ฅ๏ธ

๐ŸŽฎ GPU – A high-performance graphics processing unit for an enhanced gaming and multimedia experience ๐Ÿ’ป

๐Ÿง  MEMORY – Ample memory for storing files, apps, and multimedia content ๐Ÿ—‚๏ธ

๐Ÿ“ท CAMERA – A cutting-edge camera system that captures stunning photos and videos ๐ŸŽฅ

๐Ÿ”ˆ SOUND – Crisp, clear audio that transports you right into the action ๐ŸŽต

๐Ÿ“ก COMMS – A comprehensive suite of communication options, ensuring that you stay connected with the world at all times ๐Ÿ“ถ

๐Ÿ’ก FEATURES – An array of innovative features designed for your convenience ๐ŸŽ

๐Ÿ”‹ BATTERY๐Ÿ”Œ – A long-lasting battery that powers your device for an entire day ๐Ÿ“…

Our latest device is a testament to our commitment to innovation and excellence in the world of technology. We believe that this device will be a game-changer and set new standards in terms of performance, design, and user experience.

Now that you’ve learned about the incredible features and specifications of our latest device, we invite you to leave a comment below and share your thoughts. Your feedback and opinions are valuable to us, and we look forward to hearing from you! ๐ŸŒ๐Ÿ“…๐Ÿ‹๏ธ๐ŸŒˆ๐Ÿค–๐Ÿ› ๏ธ๐Ÿš€