Performance and Battery
The Lumia 640 XL is powered by a Snapdragon 400 chip with quad-core 1.2GHz processor, paired with 1GB of RAM. In synthetic benchmarks, the mobile is far away from the Android mobiles which are available these days in the same cost, but with the Windows’s capability to play fine with small resources, users are unlikely to notice the spectacular difference.
The Windows phone packs 8GB of built-in storage, less than half of which is user-accessible, means you will be required to purchase an microSD card in the event you desire full utilization of the Lumia 640 XL. It supports microSD card up to 128GB capacity, and Windows Phone lets you install programs to the SD card, which means that is not an enormous drawback besides the added price of memory card.
The mobile is lights on with a 3,000 mAh battery that can easily keep your Lumia phone live for a day-and-a-half of significant use. The call quality is good too as well as the loudspeaker is quite adequate for your dose of amusement along with calls. It’s possible for you to double tap on the screen to wake up the phone, means it is not necessary to reach for power button every time.