Microsoft at MWC 2015: Lumia 640 and 640 XL Announced, 4K 120Hz Surface Hub Demoed
 

Mobile World Congress is in full swing today and Microsoft woke the press up early to discuss new features coming to their smartphone and tablet space. Top of the bill, presented by Stephen Elop, are the new Lumia 640 and Lumia 640XL devices. The regular 640, with it 5-inch HD display comes as the upgrade from the 630, whereas the 5.7-inch XL version sits as the move up from the large Lumia 1320.

http://www.anandtech.com/show/9030/m...hz-surface-hub