Specifications: Microsoft Lumia 640 XL Dual Sim

During one of the biggest events in the mobile device market, the Mobile World Congress (MWC) 2015 , Microsoft introduced two new smartphones: the Lumia 640 and the Lumia 640 XL . As the name might suggest, the XL model – “XL” or can say :extra large” is used to refer to something very big – is a larger version of the variant 5 inches. In addition to the 5.7-inch display, Microsoft Lumia 640 XL brings improved cameras and a battery with more capacity.

Technical specifications:

Operating System: Windows Phone 8.1 (Lumia Denim Update 2)
Screen: 5.7-inch IPS LCD with Gorilla Glass 3
Resolution: 1280×720 pixels (HD)
Pixel density: 259 ppi
Chipset: Qualcomm Snapdragon 400
CPU: 1.2 GHz quad-core
GPU: Adreno 305
Internal Storage: 8GB
External Storage: up to 128 GB with micro SD card
Battery: 3,000 mAh
Front camera: 5 megapixels
Rear camera: 13 megapixels
Connectivity: WiFi (802.11 b / g / n), 3G, Bluetooth 4.0 and GPS
Sensors: accelerometer, proximity and compass
Dimensions: 157.9 mm (height) x 81.5 mm (width)
Thickness: 9 mm
Weight: 171 grams
Official price: $ 999


The 640 XL is one of the first to come equipped with Lumia Denim Update 2. The interface is quite fluid and rarely presents gagging while browsing among the various features of Windows system. A curious detail was finding some pre-installed apps, but that can easily be deleted if the user wants.


The aspect that stands out most is the display. The screen is 0.7 inches longer than that of his younger brother, an increase that numerically it seems, but it shows considerable in practice. Despite the increase, the resolution remained the same – 1280×720 pixels (HD) -, which causes a slight decrease in pixel density – 294 ppi to 259 ppi. This reduction, however, is unable to damage the display of experience that the Lumia 640 XL is very good. The larger screen size favors the consumption of content, and videos. Reading is also a very enjoyable activity.


The Lumia 640 XL is 1.5 cm taller, 1 cm wider and 26 grams heavier than the Lumia 640 5 inches. Since the thickness had an insignificant increase of 0.2 mm. A slightly larger bulge was necessary to accommodate the more powerful sensor and Carl Zeiss optics of the XL 640. On the one hand this detail may displease some, it has the advantage of preventing the speaker is completely muffled when the smartphone is on a smooth surface.


This aspect shows the main difference Lumia 640 XL as compared to his younger brother. The upgrade is significant, and this is not noticeable only to the resolution of the cameras. The rear sensor has increased from 8 to 13 megapixels, the presence of traditional Carl Zeiss optics makes a huge difference for photography lovers. The front camera has the resolution increased from 1 to 5 megapixels, which also makes selfies become a little bit better.
White balance, focus, ISO and shutter speed are just some of the valuable options available.


Its battery is increased by 500mah as compared to the Lumia 640 which is more than enough to increase the account on the display size. In this aspect, the maintenance of HD resolution has proved advantageous. The 3,000 mAh cause the device can withstand with ease a day of moderate use – accessing social networks and messengers, playing some games and making calls – coming to his end with more than 30% load.


The Microsoft Lumia 640 XL is virtually identical to his younger brother. The unit has the same processor, GPU, amount of RAM and internal storage, as well as memory expansion capacity – that is 128 GB with micro SD card.
This means that the smartphone has a performance very similar to the Lumia 640. heavy games ran smoothly and featuring light falls in the rate of display frames per second. Social networks, messengers, productivity apps and light games were also performed with great fluidity.

About the Author

He have started blogging on Technology and computer at his college time in 2005 and worked with many reputed organization in India. He wrote many guest post for Technology magazine and newspapers worldwide. His writing and passion about Technology make him different from other writers in the global market. He love to write the review and thoughts on any new Technology and invention in current happenings.