Question

What are the specifications of Lumia 640 and 640XL?

Answer 1

Both can be used in 4G mode

Nokia Lumia 640 costs about $150, while 640 XL about $250

With both you will have access to Microsoft`s products as 1TB of One Drive

Commonly, both are based on a quad-core Snapdragon 400 processor, 1GB RAM, 8GB storage capacity, 1280x720 resolution

Lumia 640 includes a 8MP camera, while XL version a 13MP camera

Answer 2

The Microsoft Lumia 640 smartphone has a 5-inch HD display and is powered with a 1.2 GHz quad-core Qualcomm Snapdragon processor.Its ram is  1GB and  includes 8GB of internal storage that can be expandable up to 128GB via a microSD card. The phone comes with 15GB free cloud storage on OneDrive,  8-megapixel rear camera with flash, a 1-megapixel front-facing camera for video-calling  with a 2,500mAh battery.

While the Lumia 640 XL has a display size of 5.7-inches and is packed with 1.2GHz quad-core Qualcomm Snapdragon processor. The phone has1GB of RAM with Windows Phone 8.1 and the Lumia Denim Update. The phone includes pre-installed with Office applications like Word, Excel, PowerPoint, Outlook, and OneNote. It has a 13-megapixel camera and a 5-megapixel front-facing camera  powered with a 3,000 mAh battery.

Both the phones can be upgraded to Microsoft's next OS, Windows 10.