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: