Microsoft Lumia 640 4G

Updated 5 years ago
Lumia 640 4G


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Key Specifications See full specifications
Shades Glossy cyan, Orange, White, Matte black
OS Microsoft Windows Phone 8.1 with Lumia Denim
Battery Li-Ion 2500 mAh
Front Camera 1 MP
Rear Camera 8 MP
Primary Rear Camera 8 MP, 3264x2448 pixels, Digital zoom, Autofocus, LED flash
Display Size 5 inch
Internal Storage 8 GB
Processor 1.2 GHz Quad-core Cortex-A7
Things we Like and Dislike about Microsoft Lumia 640 4G


Our Ratings
Ease of Use
Value For Money
Quick Facts & Price
Announced Mar, 2015
Form Factor Bar
Shades Glossy cyan, Orange, White, Matte black
Box Content Handset, Charger, Headset, Battery, USB cable, Warranty card, User manual
OS Microsoft Windows Phone 8.1 with Lumia Denim
Languages English
Processor & Sound
Chipset Qualcomm Snapdragon 400
Graphics Processor Adreno 305
Processor 1.2 GHz Quad-core Cortex-A7
Front Camera 1 MP
Resolution (Front) 1280x960 pixels
Auto Focus
Camera Flash LED
Rear Camera 8 MP
Digital Zoom
Camera Resolution 3264x2448 pixels
Video Resolution 1080p @ 30fps
Camera Features 1/4'' sensor size
Primary Rear Camera 8 MP, 3264x2448 pixels, Digital zoom, Autofocus, LED flash
Display Resolution (H) 720 pixels
Display Resolution (V) 1280 pixels
Display Size 5 inch
Display Colours 16 Million
Pixels Per Inch Density 294 ppi
Display Type IPS LCD
Display Features Capacitive touchscreen
RAM & Storage
Call Log
Internal Storage 8 GB
Memory Card microSD, up to 128 GB
Other Storage Options OneDrive (30 GB cloud storage)
Dimensions & Weight
Height 141.3 mm
Width 72.2 mm
Weight 145 gms
Thickness 8.8 mm
Battery Size & Backup
Stand-by (2G) Up to 864 hours
Stand-by (3G) Up to 864 hours
Talktime (2G) Up to 26 hours
Talktime (3G) Up to 17 hours
Battery Li-Ion 2500 mAh
Internet & Connectivity
Bluetooth v4.0, A2DP
Browser HTML5
GPS With GLONASS, Beidou
SIM Type Micro-SIM
USB microUSB v2.0
2G Network GSM 850 / 900 / 1800 / 1900 MHz
3G Network HSDPA 850 / 900 / 2100 MHz
4G Network LTE 800 / 900 / 1800 / 2100 / 2600 MHz
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Data Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Networks 2G + 3G + 4G
Alarm Clock
Noise Cancellation With dedicated mic
Java No
Office Applications Document Viewer
3.5mm Jack/Port
Image/Video Editor
Image Viewer
Music Player
Video Player
Video Recording
Voice Recording
Ringtones MP3, WAV
Predictive Text Input
T9 Dictionary
Social Networking Facebook, Twitter
Messaging SMS, MMS, Email, Push Email, IM
Accelerometer Sensor
Proximity Sensor

Microsoft Lumia 640 4G Review

26 Mar, 15 04:01 PM


Best Low-Cost Device For Multi-Tasking
By Amrit

Lumia 640 4G is the best 4G LTE affordable smartphone from Microsoft launched at World Mobile Congress 2015 along with mid-range Microsoft Lumia 640 XL Dual-SIM. Xiaomi Redmi 4G and Micromax Yu Yureka are the strong competitors of this device. It supports dual SIM (Micro-SIM) and it is declared as the best low cost device for multi-tasking. The sales package include headset, battery, USB cable, user manual and warranty card. For further information, here is a review which you can check.

Display and Dimensions

It flaunts a 5-inch ClearBlack IPS LCD capacitive multi-touch display with 1280x720 pixels HD resolution and a pixel density of 294ppi. It has a color depth of 16 million. The sunlight readability enhancements gives you crystal clear view from every perspective for watching videos, movies and playing games. It comes covered with Corning Gorilla Glass 3 protection which is used to protect the screen from scratches and fingerprints.

It is wrapped in an 8.8 mm thick body which holds a weight of 145 grams and can be carried around easily. On the other hand, it has got a height of 141.3 mm and a width of 72.2 mm. It comes packed with accelerometer sensor, compass sensor, ambient light sensor, magnetometer sensor and proximity sensor.

Processor and Operating System

This dual SIM device is packed with a 1.2 GHz Quad-core Cortex-A7 processor  joined with Qualcomm Snapdragon 400 chipset and Adreno 305 GPU. It is paired with 1 GB RAM for the smooth performance of the device. The operating system used in the smartphone is Microsoft Windows Phone 8.1 with Lumia Denim which can be upgrade to Windows 10 and proves to be quite useful while performing several tasks and functions.

Camera and Storage

It flaunts an 8 MP auto-focus primary camera which is inclusive of features like digital zoom, LED flash, 1/4" sensor size and can record 1080p videos at 30fps. Its picture resolution is 3264x2448 pixels. For video calls and selfies, the smartphone houses a 1 MP front facing shooter providing a resolution of 1280x960 pixels. The 8 GB internal and 128 GB external memory and free 30 GB of cloud storage available on OneDrive is quite enough to store movies, songs, games and applications.

Connectivity and Battery

The user can stay connected with several connectivity features such as GPS, A-GPS, Bluetooth, NFC, microUSB v2.0, EDGE, GPRS and Wi-Fi. Fueled by a Li-Ion 2500 mAh battery, this dual SIM smartphone claims to offer up to 26 hours of talktime and up to 864 hours of standby time over 2G.

Shades and Price

The Microsoft Lumia 640 4G comes in 4 shades including Matte Black, Glossy Cyan, White and Orange. It is available at the price of US$ 177 and its 3G model cost US$ 155.

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