The Microsoft Lumia 640XL Review
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The Microsoft Lumia 640XL Review

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Power and Volume Buttons
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Micro-USB Charging/Data Port

Performance:

Performance wise it’s fitted with a 1GB RAM and 8GB internal memory which is quite standard in the market and also has the Snapdragon 400 processor quad-core 1.2 GHz.

The Operating System is a Windows 8.1 with the Lumia Denim which allows better speed and capability of playing 4K video on the device. Scrolling and response is quite good.

Downside is that it could have had a 2GB RAM and 16GB internal memory but the SD card slot more than makes up for 8GB rating.

Apart from that it’s not a 4G device even though it released in March of this year which is probably a bit of a letdown and also has the latest Bluetooth 4.0 version.