Microsoft Lumia 640 review

We take a look at the Microsoft Lumia 640, Microsoft's new mid-range smartphone. Here are the pros and cons of the Lumia 640.
Microsoft Lumia 640 review

The Lumia 640 is Microsoft’s new mid-range smartphone. It’s a successor to the Lumia 635, but is it a worthy one? We’ve had our hands on it for a while now, so here’s our full review.


  • 5-inch HD screen with clear and bright display
  • Decent 2,500mAh battery size
  • Smooth, fast and trouble-free performance


  • Only 8GB of internal memory
  • Plastic back prone to smudging
  • 1MP front camera is the least we’d expect


Even though it’s made of plastic rather than metal, the Lumia 640 has a premium feel to it. It’s a decent weight and is comfortable in the hand, with nicely rounded corners.

Having said that, we found it a little too smooth for our liking – and difficult to grip sometimes. Plus, because of its ultra-smooth plastic back, it picks up marks and smudges with annoying ease.

For us, the most impressive thing about the Lumia 640 is its 5-inch HD display. A screen of this quality is pretty rare on mid-range smartphones, and it looks great. The picture quality is crisp and clear with deep blacks. Brightness levels are nice and high, too. There’s also a Sunlight Readability mode for outdoor reading.


The Lumia 640 comes with the Windows Phone 8.1 operating system pre-installed, and Microsoft has promised that this’ll be upgraded to Windows 10 when they release it later this year.

All the latest Windows Phone features are present and correct, including the full Microsoft Office suite: Word, Excel and PowerPoint. This makes it an especially good phone for business users, who can save documents on OneDrive (with 30GB of free cloud storage capacity) and easily access them from anywhere.

And because it’s a Windows Phone, it comes with Cortana, Microsoft’svirtual assistant with a personality.


The Lumia 640 has an 8MP camera with an LED flash. It takes decent quality photos, and these can be cropped, re-framed and enhanced with some built-in creative effects and filters.

The 1MP front-facing camera is fairly typical for a mid-range smartphone. It takes reasonable selfies, but it didn’t impress us too much. If you’re used to a 1MP front-facing camera, you’ll find it perfectly acceptable, we reckon.


The phone is powered by a Snapdragon 400 1.2GHz quad-core processor, and we were more than happy with its performance. Navigating between menus and opening apps was smooth and fast, and the Lumia 640 was able to handle most tasks – including streaming videos and online gaming – with no obvious performance issues.

The 2,500mAh battery is a good size, certainly a huge improvement onthe Lumia 635’s 1,830mAh battery.

We were less impressed with the 8GB of internal memory, but it’s worth pointing out that you can increase that figure by up to 128GB with a microSD card.


Okay, so the Microsoft Lumia 640 isn’t a premium flagship smartphone – but it doesn’t claim to be. If you’re after a more than capable mid-range smartphone, it’s definitely worth considering. It’s fast and smooth, has an impressive 5-inch HD display and comes with lots of great Windows features. And when Windows 10 comes along later this year, it should be even better.

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