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The Q5 is a quite a broad phone, lacking the rounded edges of the Q10. It measures 120mm by 66mm, and 10.8mm thick. It weighs in at 120g including the non-removable battery: lighter than the Q10, but slightly thicker.
The Qwerty keyboard means there's only room for a 3.1-inch touchcreen (720 x 720 resolution, at 329ppi). The handset runs BlackBerry's new 10.1 operating system, and includes the BlackBerry Link software for synchronising data.
It packs a dual core 1.2GHz, comes with 2GB RAM and 8GB Flash, but you can add up to 64GB of memory via the microSD memory card slot seen here (strangely the higher specced Q10 only goes up to 32GB), and includes a USB 2.0 port. BlackBerry also claims up to 12.5 hours talk time and 14 days standby time for the device when running on 3G, thanks to that smaller screen.
The rear camera is a 5-megapixel unit (seen above) which can record HD at 1080p, and uses BlackBerry's Time Shift mode for adjusting individual elements of pictures. The front camera is a 2-megapixel snapper which is also able to record HD video at 720p.
The Q5 includes BlackBerry Balance, which means the handset can contain separate work and personal profiles which keep corporate and personal data walled off from each other. As well as the standard accelerometer, magnetometer, proximity sensor, gyroscope and ambient light sensor, the Q5 also also packs NFC connectivity, which you might find useful for sharing files.
Your attitude towards physical keyboards will determine your response to BlackBerry's Q5.
Qwerty is distinctly a minority interest now — apart from BlackBerry's handsets, devices with such keyboards are few and far between, partly because soft keyboards are so good now (SwiftKey for example has plenty of fans) and because all those keys take up space that most people think would be better used for the screen.
Still, the keyboard itself is well designed and the variously bevelled keys make typing easy and fast, although I didn't especially like the feel of the plastic body in my hand. But if you're convinced of the need for a hard keyboard, then you'll be unwilling to put up with the serious compromise you have to make on screen size.
The touchscreen is bright, crisp and responsive, but so small it means it's unlikely to be a preferred device for regularly consuming media: it's one for absorbing information quickly, and not lingering too long. The look of web pages is adequate, but videos are frustrating small on the square screen.