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BlackBerry Q10 tech specs:

_ Display: 3.1-inch (diagonal) with a resolution of 720 by 720 pixels (330 pixels per inch)

_ Keyboard: Touch-screen and 35-key physical keyboards. Physical keyboard will have back light, with language-specific keyboards such as QWERTY and AZERTY depending on market.

_ Memory capacity: 16 gigabytes, expandable with microSD card of up to 64 gigabytes.

_ Price: Not yet announced.

_ Size: height: 4.71 inches; width: 2.63 inches; depth: 0.41 inch (119.6 x 66.8 x 10.35 mm)

_ Weight: 4.90 ounces (139 grams)

_ Cameras: 8-megapixel camera on back, 2-megapixel on front.

_ Video recording: high-definition for rear camera (1080p _ comparable to the resolution of a 40-inch flat panel TV); lower resolution for front (720p)

_ Battery life: Not yet announced.

_ U.S. wireless carriers: AT&T, Sprint and others.

_ Operating system: BlackBerry 10

_ Near-field communications: A chip lets the phone act as a credit card at some payment terminals and share data wirelessly when tapped against some other phones.

_ Availability: In some markets in April, but unknown when it will be available in the U.S.

iPhone 5 tech specs:

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