Loaded with all the power you need, the Lumia 640 works as fast and efficiently as you do.

• Powerful Processor: The Lumia 640 is powered by a Qualcomm MSM 8226 Snapdragon 400 chipset with a quad-core Cortex-A7 processor (1.2 GHz), empowering you to breeze through any applications with speed and performance.
• Long-lasting Battery: You never know when you’ll think of something amazing. With a whopping 2500 mAh battery, you won’t be looking around for an outlet when you’re ready to act on your next great idea.

Power on your Microsoft Lumia 640 to the full range of free Microsoft services built-in and ready to go. You can edit your files with Microsoft Office wherever you are.

Want to relive your favorite moments? Capture all of them with superb quality and ease using the Lumia Camera app and 8 MP rear camera, then back them up to OneDrive where you get up to 30 GB of free storage to bring back the moment. With the wide-angle, front-facing camera, let your family and friends see more of your surroundings clearly in your free HD Skype video calls. Data charges may apply.

Experience unparalleled visuals on the Lumia 640. The 5.0-inch HD display presents stunning graphics and sharp text with bright, vivid colors. It utilizes advanced in-plane-switching (IPS) technology, delivering stunning color consistency from almost any angle. Moreover, its excellent touch capability makes your Windows 8.1 experience even more amazing.

Meet Cortana, the most talked about assistant with a personal touch. From giving you the latest traffic conditions to reminding you to pick up a gift for mom's birthday, she's always available and ready to help. And of course, you have complete control over just how much Cortana knows about you.

Get more personal than ever with Denim. Exclusive to Windows Phone, Live Tiles keep you in the know of what’s important in your world. Use the Action Center to see all of your notifications in a single place. And personalize your home screen’s background image and watch your customizable Live Tiles come to live in a whole new way.