Whatever you need, wherever you are, the Microsoft Lumia 640 lets you make the most of every moment. Get all the support you need from Cortana, your own personal assistant. Make face to face calls with friends, family or colleagues at the touch of a button with Skype. Get more done with built-in Microsoft Office; then save it all to OneDrive and access it from anywhere.
More space on the superb 5" HD display.
More awnsers with Cortana, your own personal assistant
More detail with an 8MP rear Camera with LED flash & HD Front Facing Camera