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With its powerful processor, great camera, decent screen and gorgeous, waterproof design, the Sony Xperia Z1 Compact is the best small Android phone around.
The Xperia Z1S is the most impressive smartphone Sony has ever sold on any carrier, but an inferior screen makes Samsung's Galaxy handsets better deals.
The 10-incher is another moderate Windows 8.1 release in HP's latest lineup of slates.
Sony's flagship Xperia Z1 packs a Full HD display, a quad-core processor, and a whopping 20.7-megapixel camera into a waterproof body and wraps it in an aluminium frame.
The 2014 Volkswagen Passat competes well in its segment for driving character and fuel economy, and checks off the right boxes for cabin tech, but falls short on driver-assistance features.
Now you can get a round, LCD-free version of the A5000.
Pricing not available
These three flagship Windows Phones are well matched when it comes to design and features -- which one comes out on top for you?
Microsoft has said it doesn't intend to bring a single operating system to all devices that can run Windows. But if it did, there would be many interface issues to overcome.
And Microsoft expects the number to get much larger with the arrival of "universal" Windows apps.
The beta of version 1 is now up on the Windows Phone store, while BlackBerry is already working on version 2.