The Sony Xperia Z Ultra has a 6.4-inch full HD screen.
The Xperia Z Ultra runs Android 4.2 Jelly Bean and will come in black, white and purple. It features a quad-core Qualcomm Snapdragon 800 processor rated at 2.2 GHz, which Sony said makes it the world's fastest smartphone.
Ultra has 16 GB of internal storage, expandable with up to a 64 GB microSD card.
The biggest feature of the Ultra, however, is the large 6.44-in. touchscreen display rated at 1920 x 1080 pixels and 16.7 million colors. Sony used its Bravia TV experience to enhance colors in what it calls a Triluminos display. The technology analyzes an image and reproduces pixels that are missing to optimize video quality.
At 0.46 pounds (212 grams) and just 0.25 inch thick (6.5 mm), Sony claimed it is world's slimmest full HD smartphone and world's only waterproof full HD smartphone.
Ultra allows users to sketch with any pencil, stylus or pen with a tip diameter over 1 millimeter. Face Unlock and Gesture Input are supported. It has an 8 megapixel rear camera and a 2 megapixel front camera. Ultra also supports Wi-Fi, Bluetooth 4.0, NFC and LTE. A large 3000 mAh hour battery is rated for up to 11 hours of talk time. Overall dimensions are 7.06 x 3.63 x .25 inches, weighing 7.4 ounces.
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