Microsoft Lumia 640 is a high quality Windows Phone 8.1 phone, coming with a big 5 inches multi touch capacitive screen, a powerful 1.2 GHz Quad-Core processing unit, and 2 cameras, an 8 mega-pixels back camera and a 0.9 MP front-facing camera. Great! That's it? No, it's just the shortest summary.
Microsoft decided to build this phone using a powerful 1200 megahertz Quad-Core processing unit, included in a Qualcomm Snapdragon 400 system chip with 1 GB RAM. The Lumia 640 counts with an interesting 8 GB internal storage memory and a slot for an external memory card, allowing the user to install hundreds of apps and games without any problem.
This cellphone feels much lighter than what one would expect from a cellphone this size. Microsoft sells this cellphone in many color variations: black, orange, blue and white. The Lumia 640 is a very compact device, taking into consideration it has a 5 inches display and it's only 5.56" long and 2.84 inches wide. This device is extremely slim and stilized, being just 0.35 inches thick.
This phone is equipped with two cameras, an 8 mega-pixels back-facing camera and a 0.9 megapixels front-facing camera. It can also capture 1920x1080 Full HD videos at 30 fps. The camera also features a couple of good characteristics: flash, auto-focus, face detection shooting, HDR mode and geo tagging.
Microsoft designed this phone with a interesting 5 inches screen, and a resolution of 1280 x 720 (HD), providing this cellphone with a good graphic quality. Its screen uses IPS LCD capacitive technology, and can detect multi touch gestures.
This phone counts with a large 2500 mAh replaceable battery that can keep it running for several hours without having to charge it at all. Microsoft reports a stand by time of 864 hs and a talk time of 26.5 hours for this device.
The Lumia 640 provides wifi connection (and it can be provided to other devices as a mobile hotspot), 4G (LTE) high performance connection type and also HSPA+ internet connection, that is a slower 4G variation and fast 3G connection type, over HSDPA, HSUPA and EDGE technologies. This cellphone has dual sim cards so it's able to work with two different phone numbers or carriers at the same time.
This cellphone also features a wide range of interesting features like Wireless charging system, NFC, Bluetooth (4.0), GPS and FM Radio, and plenty of sensors like Light Sensor, Proximity Sensor, Accelerometer and Compass.
Microsoft is selling this phone for $ 139, which is not so cheap for comparing with similar cellphones. This phone is very appropiate for you no matter if you are an amateur photographer, want a cellphone for work, want a social phone or will use it as a gaming device.
Device Type: | Phone |
Brand: | Microsoft |
Operating System (OS): | Windows Phone 8.1 |
Variant: | LTE Dual SIM See other variants reviews |
Product code: | RM-1109 |
Dimensions: | 5.56 x 2.84 x 0.35 inchesMetric14.12 x 7.21 x 0.89 cmImperial |
Weight: | 5.11 ouncesMetric144.87 gImperial |
Colors: | Black, Blue, Orange and White |
Scratch Resistant Glass: | Yes |
Price: | $ 139.00 |
Display | |
Screen Type: | IPS LCD (16M colors) |
Size: | 5 inchesMetric12.7 cmImperial |
Resolution: | 720 x 1280 pixels (HD) |
Pixel density: | 294 pixels per inchMetric115.75 pixels per cmImperial |
Touch screen: | Capacitive, Multi-touch |
Hardware | |
Chipset: | Qualcomm Snapdragon 400 |
Processor: | Quad-Core 1200 MHz |
RAM Memory: | 1 GB |
Graphics Processor: | Yes |
Internal Memory: | 8 GB |
SD Card Slot: | microSD, microSDHC, microSDXC (up to 128 GB) |
Battery | |
Removable: | Yes |
Capacity: | 2500 mAh |
Wireless Charging: | Yes |
Stand-by Time: | 864 hours |
Talk Time: | 26.5 hours |
Camera | |
Back camera: | 8 megapixels |
Aperture: | f/2.20 |
Focal length: | 28mm (35mm equivalence) |
Sensor size: | 0.25 inches (1/4") |
Flash: | Yes |
Front camera: | 0.9 megapixels |
Max video resolution: | 1920 x 1080 (30 fps) (Full HD) |
Camera features: | Auto-Focus, Face Detection Shooting, Geo Tagging and HDR Mode |
Networks | |
Wi-Fi: | Yes |
Mobile Hotspot: | Yes |
SIM Card Type: | Micro SIM |
Dual SIM: | Yes |
LTE (4G) Bands: | 700 (band 12), 700 (band 17), 700 (band 28), 800 (band 20), 850 (band 5), 900 (band 8), 1700/2100 (band 4), 1800 (band 3), 1900 (band 2), 2100 (band 1), 2600 (band 7) |
UMTS Bands: | 850, 900, 1700/2100, 1900, 2100 |
GSM Bands: | 850, 900, 1800, 1900 |
Technologies: | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM |
Other Features | |
Bluetooth: | Version 4.0 |
GPS: | Yes |
NFC (Near Field Communication): | Yes |
Radio: | FM Radio |
Sensors: | Accelerometer, Compass, Light Sensor and Proximity Sensor |
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